20143915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8933}}^1$

素因数の和:8990

約数の個数: 16

約数和(自身を含む): 27016416

約数和(自身を除く): 6872501

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8933, 44665, 98263, 366253, 491315, 1831265, 4028783, 20143915]

約数ペア:

[(1, 20143915), (5, 4028783), (11, 1831265), (41, 491315), (55, 366253), (205, 98263), (451, 44665), (2255, 8933)]