20179945370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1\times {\mathrm{4987}}^1$

素因数の和:6855

約数の個数: 64

約数和(自身を含む): 41450040576

約数和(自身を除く): 21270095206

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 1831, 2210, 3662, 4987, 9155, 9974, 18310, 23803, 24935, 31127, 47606, 49870, 62254, 64831, 84779, 119015, 129662, 155635, 169558, 238030, 311270, 324155, 404651, 423895, 648310, 809302, 847790, 1102127, 2023255, 2204254, 4046510, 5510635, 9131197, 11021270, 18262394, 45655985, 91311970, 118705561, 155230349, 237411122, 310460698, 593527805, 776151745, 1187055610, 1552303490, 2017994537, 4035989074, 10089972685, 20179945370]

約数ペア:

[(1, 20179945370), (2, 10089972685), (5, 4035989074), (10, 2017994537), (13, 1552303490), (17, 1187055610), (26, 776151745), (34, 593527805), (65, 310460698), (85, 237411122), (130, 155230349), (170, 118705561), (221, 91311970), (442, 45655985), (1105, 18262394), (1831, 11021270), (2210, 9131197), (3662, 5510635), (4987, 4046510), (9155, 2204254), (9974, 2023255), (18310, 1102127), (23803, 847790), (24935, 809302), (31127, 648310), (47606, 423895), (49870, 404651), (62254, 324155), (64831, 311270), (84779, 238030), (119015, 169558), (129662, 155635)]