20101620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 74188800

約数和(自身を除く): 54087180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 229, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 458, 462, 532, 570, 627, 660, 665, 687, 770, 798, 836, 916, 924, 1045, 1140, 1145, 1155, 1254, 1330, 1374, 1463, 1540, 1596, 1603, 1995, 2090, 2290, 2310, 2508, 2519, 2660, 2748, 2926, 3135, 3206, 3435, 3990, 4180, 4351, 4389, 4580, 4620, 4809, 5038, 5852, 6270, 6412, 6870, 7315, 7557, 7980, 8015, 8702, 8778, 9618, 10076, 12540, 12595, 13053, 13740, 14630, 15114, 16030, 17404, 17556, 17633, 19236, 21755, 21945, 24045, 25190, 26106, 29260, 30228, 30457, 32060, 35266, 37785, 43510, 43890, 47861, 48090, 50380, 52212, 52899, 60914, 65265, 70532, 75570, 87020, 87780, 88165, 91371, 95722, 96180, 105798, 121828, 130530, 143583, 151140, 152285, 176330, 182742, 191444, 211596, 239305, 261060, 264495, 287166, 304570, 335027, 352660, 365484, 456855, 478610, 528990, 574332, 609140, 670054, 717915, 913710, 957220, 1005081, 1057980, 1340108, 1435830, 1675135, 1827420, 2010162, 2871660, 3350270, 4020324, 5025405, 6700540, 10050810, 20101620]

約数ペア:

[(1, 20101620), (2, 10050810), (3, 6700540), (4, 5025405), (5, 4020324), (6, 3350270), (7, 2871660), (10, 2010162), (11, 1827420), (12, 1675135), (14, 1435830), (15, 1340108), (19, 1057980), (20, 1005081), (21, 957220), (22, 913710), (28, 717915), (30, 670054), (33, 609140), (35, 574332), (38, 528990), (42, 478610), (44, 456855), (55, 365484), (57, 352660), (60, 335027), (66, 304570), (70, 287166), (76, 264495), (77, 261060), (84, 239305), (95, 211596), (105, 191444), (110, 182742), (114, 176330), (132, 152285), (133, 151140), (140, 143583), (154, 130530), (165, 121828), (190, 105798), (209, 96180), (210, 95722), (220, 91371), (228, 88165), (229, 87780), (231, 87020), (266, 75570), (285, 70532), (308, 65265), (330, 60914), (380, 52899), (385, 52212), (399, 50380), (418, 48090), (420, 47861), (458, 43890), (462, 43510), (532, 37785), (570, 35266), (627, 32060), (660, 30457), (665, 30228), (687, 29260), (770, 26106), (798, 25190), (836, 24045), (916, 21945), (924, 21755), (1045, 19236), (1140, 17633), (1145, 17556), (1155, 17404), (1254, 16030), (1330, 15114), (1374, 14630), (1463, 13740), (1540, 13053), (1596, 12595), (1603, 12540), (1995, 10076), (2090, 9618), (2290, 8778), (2310, 8702), (2508, 8015), (2519, 7980), (2660, 7557), (2748, 7315), (2926, 6870), (3135, 6412), (3206, 6270), (3435, 5852), (3990, 5038), (4180, 4809), (4351, 4620), (4389, 4580)]