20392015

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10993}}^1$

素因数の和:11058

約数の個数: 16

約数和(自身を含む): 28496448

約数和(自身を除く): 8104433

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10993, 54965, 76951, 384755, 582629, 2913145, 4078403, 20392015]

約数ペア:

[(1, 20392015), (5, 4078403), (7, 2913145), (35, 582629), (53, 384755), (265, 76951), (371, 54965), (1855, 10993)]