20493874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 14031566

約数列:

[1, 2, 17, 23, 34, 46, 73, 146, 359, 391, 718, 782, 1241, 1679, 2482, 3358, 6103, 8257, 12206, 16514, 26207, 28543, 52414, 57086, 140369, 280738, 445519, 602761, 891038, 1205522, 10246937, 20493874]

約数ペア:

[(1, 20493874), (2, 10246937), (17, 1205522), (23, 891038), (34, 602761), (46, 445519), (73, 280738), (146, 140369), (359, 57086), (391, 52414), (718, 28543), (782, 26207), (1241, 16514), (1679, 12206), (2482, 8257), (3358, 6103)]