20903145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44953}}^1$

素因数の和:44992

約数の個数: 16

約数和(自身を含む): 34524672

約数和(自身を除く): 13621527

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44953, 134859, 224765, 674295, 1393543, 4180629, 6967715, 20903145]

約数ペア:

[(1, 20903145), (3, 6967715), (5, 4180629), (15, 1393543), (31, 674295), (93, 224765), (155, 134859), (465, 44953)]