20511602

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12553}}^1$

素因数の和:12617

約数の個数: 16

約数和(自身を含む): 33142560

約数和(自身を除く): 12630958

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12553, 25106, 238507, 477014, 539779, 1079558, 10255801, 20511602]

約数ペア:

[(1, 20511602), (2, 10255801), (19, 1079558), (38, 539779), (43, 477014), (86, 238507), (817, 25106), (1634, 12553)]