20153253140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{3821}}^1$

素因数の和:4089

約数の個数: 96

約数和(自身を含む): 44874805248

約数和(自身を除く): 24721552108

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 181, 188, 235, 310, 362, 470, 620, 724, 905, 940, 1457, 1810, 2914, 3620, 3821, 5611, 5828, 7285, 7642, 8507, 11222, 14570, 15284, 17014, 19105, 22444, 28055, 29140, 34028, 38210, 42535, 56110, 76420, 85070, 112220, 118451, 170140, 179587, 236902, 263717, 359174, 473804, 527434, 592255, 691601, 718348, 897935, 1054868, 1184510, 1318585, 1383202, 1795870, 2369020, 2637170, 2766404, 3458005, 3591740, 5274340, 5567197, 6916010, 11134394, 13832020, 21439631, 22268788, 27835985, 32505247, 42879262, 55671970, 65010494, 85758524, 107198155, 111343940, 130020988, 162526235, 214396310, 325052470, 428792620, 650104940, 1007662657, 2015325314, 4030650628, 5038313285, 10076626570, 20153253140]

約数ペア:

[(1, 20153253140), (2, 10076626570), (4, 5038313285), (5, 4030650628), (10, 2015325314), (20, 1007662657), (31, 650104940), (47, 428792620), (62, 325052470), (94, 214396310), (124, 162526235), (155, 130020988), (181, 111343940), (188, 107198155), (235, 85758524), (310, 65010494), (362, 55671970), (470, 42879262), (620, 32505247), (724, 27835985), (905, 22268788), (940, 21439631), (1457, 13832020), (1810, 11134394), (2914, 6916010), (3620, 5567197), (3821, 5274340), (5611, 3591740), (5828, 3458005), (7285, 2766404), (7642, 2637170), (8507, 2369020), (11222, 1795870), (14570, 1383202), (15284, 1318585), (17014, 1184510), (19105, 1054868), (22444, 897935), (28055, 718348), (29140, 691601), (34028, 592255), (38210, 527434), (42535, 473804), (56110, 359174), (76420, 263717), (85070, 236902), (112220, 179587), (118451, 170140)]