20280045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43613}}^1$

素因数の和:43652

約数の個数: 16

約数和(自身を含む): 33495552

約数和(自身を除く): 13215507

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43613, 130839, 218065, 654195, 1352003, 4056009, 6760015, 20280045]

約数ペア:

[(1, 20280045), (3, 6760015), (5, 4056009), (15, 1352003), (31, 654195), (93, 218065), (155, 130839), (465, 43613)]