20090455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52183}}^1$

素因数の和:52206

約数の個数: 16

約数和(自身を含む): 30057984

約数和(自身を除く): 9967529

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52183, 260915, 365281, 574013, 1826405, 2870065, 4018091, 20090455]

約数ペア:

[(1, 20090455), (5, 4018091), (7, 2870065), (11, 1826405), (35, 574013), (55, 365281), (77, 260915), (385, 52183)]