20156293872

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2441}}^1$

素因数の和:2880

約数の個数: 240

約数和(自身を含む): 66463933536

約数和(自身を除く): 46307639664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 401, 429, 468, 528, 572, 624, 792, 802, 858, 936, 1144, 1203, 1287, 1584, 1604, 1716, 1872, 2288, 2406, 2441, 2574, 3208, 3432, 3609, 4411, 4812, 4882, 5148, 5213, 6416, 6864, 7218, 7323, 8822, 9624, 9764, 10296, 10426, 13233, 14436, 14646, 15639, 17644, 19248, 19528, 20592, 20852, 21969, 26466, 26851, 28872, 29292, 31278, 31733, 35288, 39056, 39699, 41704, 43938, 46917, 52932, 53702, 57343, 57744, 58584, 62556, 63466, 70576, 79398, 80553, 83408, 87876, 93834, 95199, 105864, 107404, 114686, 117168, 125112, 126932, 158796, 161106, 172029, 175752, 187668, 190398, 211728, 214808, 229372, 241659, 250224, 253864, 285597, 317592, 322212, 344058, 349063, 351504, 375336, 380796, 429616, 458744, 483318, 507728, 516087, 571194, 635184, 644424, 688116, 698126, 750672, 761592, 917488, 966636, 978841, 1032174, 1047189, 1142388, 1288848, 1376232, 1396252, 1523184, 1933272, 1957682, 2064348, 2094378, 2284776, 2752464, 2792504, 2936523, 3141567, 3866544, 3915364, 4128696, 4188756, 4569552, 5585008, 5873046, 6283134, 7830728, 8257392, 8377512, 8809569, 10767251, 11746092, 12566268, 12724933, 15661456, 16755024, 17619138, 21534502, 23492184, 25132536, 25449866, 32301753, 35238276, 38174799, 43069004, 46984368, 50265072, 50899732, 64603506, 70476552, 76349598, 86138008, 96905259, 101799464, 114524397, 129207012, 139974263, 140953104, 152699196, 172276016, 193810518, 203598928, 229048794, 258414024, 279948526, 305398392, 387621036, 419922789, 458097588, 516828048, 559897052, 610796784, 775242072, 839845578, 916195176, 1119794104, 1259768367, 1550484144, 1679691156, 1832390352, 2239588208, 2519536734, 3359382312, 5039073468, 6718764624, 10078146936, 20156293872]

約数ペア:

[(1, 20156293872), (2, 10078146936), (3, 6718764624), (4, 5039073468), (6, 3359382312), (8, 2519536734), (9, 2239588208), (11, 1832390352), (12, 1679691156), (13, 1550484144), (16, 1259768367), (18, 1119794104), (22, 916195176), (24, 839845578), (26, 775242072), (33, 610796784), (36, 559897052), (39, 516828048), (44, 458097588), (48, 419922789), (52, 387621036), (66, 305398392), (72, 279948526), (78, 258414024), (88, 229048794), (99, 203598928), (104, 193810518), (117, 172276016), (132, 152699196), (143, 140953104), (144, 139974263), (156, 129207012), (176, 114524397), (198, 101799464), (208, 96905259), (234, 86138008), (264, 76349598), (286, 70476552), (312, 64603506), (396, 50899732), (401, 50265072), (429, 46984368), (468, 43069004), (528, 38174799), (572, 35238276), (624, 32301753), (792, 25449866), (802, 25132536), (858, 23492184), (936, 21534502), (1144, 17619138), (1203, 16755024), (1287, 15661456), (1584, 12724933), (1604, 12566268), (1716, 11746092), (1872, 10767251), (2288, 8809569), (2406, 8377512), (2441, 8257392), (2574, 7830728), (3208, 6283134), (3432, 5873046), (3609, 5585008), (4411, 4569552), (4812, 4188756), (4882, 4128696), (5148, 3915364), (5213, 3866544), (6416, 3141567), (6864, 2936523), (7218, 2792504), (7323, 2752464), (8822, 2284776), (9624, 2094378), (9764, 2064348), (10296, 1957682), (10426, 1933272), (13233, 1523184), (14436, 1396252), (14646, 1376232), (15639, 1288848), (17644, 1142388), (19248, 1047189), (19528, 1032174), (20592, 978841), (20852, 966636), (21969, 917488), (26466, 761592), (26851, 750672), (28872, 698126), (29292, 688116), (31278, 644424), (31733, 635184), (35288, 571194), (39056, 516087), (39699, 507728), (41704, 483318), (43938, 458744), (46917, 429616), (52932, 380796), (53702, 375336), (57343, 351504), (57744, 349063), (58584, 344058), (62556, 322212), (63466, 317592), (70576, 285597), (79398, 253864), (80553, 250224), (83408, 241659), (87876, 229372), (93834, 214808), (95199, 211728), (105864, 190398), (107404, 187668), (114686, 175752), (117168, 172029), (125112, 161106), (126932, 158796)]