20545610

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13789}}^1$

素因数の和:13945

約数の個数: 16

約数和(自身を含む): 37233000

約数和(自身を除く): 16687390

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13789, 27578, 68945, 137890, 2054561, 4109122, 10272805, 20545610]

約数ペア:

[(1, 20545610), (2, 10272805), (5, 4109122), (10, 2054561), (149, 137890), (298, 68945), (745, 27578), (1490, 13789)]