20267305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 25346304

約数和(自身を除く): 5078999

約数列:

[1, 5, 37, 71, 185, 355, 1543, 2627, 7715, 13135, 57091, 109553, 285455, 547765, 4053461, 20267305]

約数ペア:

[(1, 20267305), (5, 4053461), (37, 547765), (71, 285455), (185, 109553), (355, 57091), (1543, 13135), (2627, 7715)]