20160487856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{520889}}^1$

素因数の和:520997

約数の個数: 40

約数和(自身を含む): 40691926800

約数和(自身を除く): 20531438944

約数列:

[1, 2, 4, 8, 16, 41, 59, 82, 118, 164, 236, 328, 472, 656, 944, 2419, 4838, 9676, 19352, 38704, 520889, 1041778, 2083556, 4167112, 8334224, 21356449, 30732451, 42712898, 61464902, 85425796, 122929804, 170851592, 245859608, 341703184, 491719216, 1260030491, 2520060982, 5040121964, 10080243928, 20160487856]

約数ペア:

[(1, 20160487856), (2, 10080243928), (4, 5040121964), (8, 2520060982), (16, 1260030491), (41, 491719216), (59, 341703184), (82, 245859608), (118, 170851592), (164, 122929804), (236, 85425796), (328, 61464902), (472, 42712898), (656, 30732451), (944, 21356449), (2419, 8334224), (4838, 4167112), (9676, 2083556), (19352, 1041778), (38704, 520889)]