20123682040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1386

約数の個数: 256

約数和(自身を含む): 59653324800

約数和(自身を除く): 39529642760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 347, 380, 385, 418, 440, 532, 616, 665, 694, 760, 770, 836, 991, 1045, 1064, 1330, 1388, 1463, 1540, 1672, 1735, 1982, 2090, 2429, 2660, 2776, 2926, 3080, 3470, 3817, 3964, 4180, 4858, 4955, 5320, 5852, 6593, 6937, 6940, 7315, 7634, 7928, 8360, 9716, 9910, 10901, 11704, 12145, 13186, 13874, 13880, 14630, 15268, 18829, 19085, 19432, 19820, 21802, 24290, 26372, 26719, 27748, 29260, 30536, 32965, 34685, 37658, 38170, 39640, 43604, 46151, 48580, 52744, 53438, 54505, 55496, 58520, 65930, 69370, 72523, 75316, 76307, 76340, 87208, 92302, 94145, 97160, 106876, 109010, 131803, 131860, 133595, 138740, 145046, 150632, 152614, 152680, 184604, 188290, 207119, 213752, 218020, 230755, 263606, 263720, 267190, 277480, 290092, 305228, 343877, 362615, 369208, 376580, 381535, 414238, 436040, 461510, 507661, 527212, 534380, 580184, 610456, 659015, 687754, 725230, 753160, 763070, 828476, 923020, 1015322, 1035595, 1054424, 1068760, 1318030, 1375508, 1449833, 1450460, 1526140, 1656952, 1719385, 1846040, 2030644, 2071190, 2407139, 2538305, 2636060, 2751016, 2899666, 2900920, 3052280, 3438770, 3782647, 4061288, 4142380, 4814278, 5076610, 5272120, 5799332, 6533663, 6877540, 7249165, 7565294, 8284760, 9628556, 10153220, 11598664, 12035695, 13067326, 13755080, 14498330, 15130588, 18913235, 19257112, 20306440, 24071390, 26134652, 26478529, 28996660, 30261176, 32668315, 37826470, 45735641, 48142780, 52269304, 52957058, 57993320, 65336630, 71870293, 75652940, 91471282, 96285560, 105914116, 130673260, 132392645, 143740586, 151305880, 182942564, 211828232, 228678205, 261346520, 264785290, 287481172, 359351465, 365885128, 457356410, 503092051, 529570580, 574962344, 718702930, 914712820, 1006184102, 1059141160, 1437405860, 1829425640, 2012368204, 2515460255, 2874811720, 4024736408, 5030920510, 10061841020, 20123682040]

約数ペア:

[(1, 20123682040), (2, 10061841020), (4, 5030920510), (5, 4024736408), (7, 2874811720), (8, 2515460255), (10, 2012368204), (11, 1829425640), (14, 1437405860), (19, 1059141160), (20, 1006184102), (22, 914712820), (28, 718702930), (35, 574962344), (38, 529570580), (40, 503092051), (44, 457356410), (55, 365885128), (56, 359351465), (70, 287481172), (76, 264785290), (77, 261346520), (88, 228678205), (95, 211828232), (110, 182942564), (133, 151305880), (140, 143740586), (152, 132392645), (154, 130673260), (190, 105914116), (209, 96285560), (220, 91471282), (266, 75652940), (280, 71870293), (308, 65336630), (347, 57993320), (380, 52957058), (385, 52269304), (418, 48142780), (440, 45735641), (532, 37826470), (616, 32668315), (665, 30261176), (694, 28996660), (760, 26478529), (770, 26134652), (836, 24071390), (991, 20306440), (1045, 19257112), (1064, 18913235), (1330, 15130588), (1388, 14498330), (1463, 13755080), (1540, 13067326), (1672, 12035695), (1735, 11598664), (1982, 10153220), (2090, 9628556), (2429, 8284760), (2660, 7565294), (2776, 7249165), (2926, 6877540), (3080, 6533663), (3470, 5799332), (3817, 5272120), (3964, 5076610), (4180, 4814278), (4858, 4142380), (4955, 4061288), (5320, 3782647), (5852, 3438770), (6593, 3052280), (6937, 2900920), (6940, 2899666), (7315, 2751016), (7634, 2636060), (7928, 2538305), (8360, 2407139), (9716, 2071190), (9910, 2030644), (10901, 1846040), (11704, 1719385), (12145, 1656952), (13186, 1526140), (13874, 1450460), (13880, 1449833), (14630, 1375508), (15268, 1318030), (18829, 1068760), (19085, 1054424), (19432, 1035595), (19820, 1015322), (21802, 923020), (24290, 828476), (26372, 763070), (26719, 753160), (27748, 725230), (29260, 687754), (30536, 659015), (32965, 610456), (34685, 580184), (37658, 534380), (38170, 527212), (39640, 507661), (43604, 461510), (46151, 436040), (48580, 414238), (52744, 381535), (53438, 376580), (54505, 369208), (55496, 362615), (58520, 343877), (65930, 305228), (69370, 290092), (72523, 277480), (75316, 267190), (76307, 263720), (76340, 263606), (87208, 230755), (92302, 218020), (94145, 213752), (97160, 207119), (106876, 188290), (109010, 184604), (131803, 152680), (131860, 152614), (133595, 150632), (138740, 145046)]