20580906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{509}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22601814

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 293, 509, 586, 879, 1018, 1527, 1758, 3054, 6739, 11707, 13478, 20217, 23414, 35121, 40434, 70242, 149137, 298274, 447411, 894822, 3430151, 6860302, 10290453, 20580906]

約数ペア:

[(1, 20580906), (2, 10290453), (3, 6860302), (6, 3430151), (23, 894822), (46, 447411), (69, 298274), (138, 149137), (293, 70242), (509, 40434), (586, 35121), (879, 23414), (1018, 20217), (1527, 13478), (1758, 11707), (3054, 6739)]