20975467535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{51047}}^1$

素因数の和:51335

約数の個数: 32

約数和(自身を含む): 28462731264

約数和(自身を除く): 7487263729

約数列:

[1, 5, 11, 31, 55, 155, 241, 341, 1205, 1705, 2651, 7471, 13255, 37355, 51047, 82181, 255235, 410905, 561517, 1582457, 2807585, 7912285, 12302327, 17407027, 61511635, 87035135, 135325597, 381372137, 676627985, 1906860685, 4195093507, 20975467535]

約数ペア:

[(1, 20975467535), (5, 4195093507), (11, 1906860685), (31, 676627985), (55, 381372137), (155, 135325597), (241, 87035135), (341, 61511635), (1205, 17407027), (1705, 12302327), (2651, 7912285), (7471, 2807585), (13255, 1582457), (37355, 561517), (51047, 410905), (82181, 255235)]