20992305

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5807}}^1$

素因数の和:6056

約数の個数: 16

約数和(自身を含む): 33732864

約数和(自身を除く): 12740559

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 5807, 17421, 29035, 87105, 1399487, 4198461, 6997435, 20992305]

約数ペア:

[(1, 20992305), (3, 6997435), (5, 4198461), (15, 1399487), (241, 87105), (723, 29035), (1205, 17421), (3615, 5807)]