20270605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 25342128

約数和(自身を除く): 5071523

約数列:

[1, 5, 41, 61, 205, 305, 1621, 2501, 8105, 12505, 66461, 98881, 332305, 494405, 4054121, 20270605]

約数ペア:

[(1, 20270605), (5, 4054121), (41, 494405), (61, 332305), (205, 98881), (305, 66461), (1621, 12505), (2501, 8105)]