20077915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28081}}^1$

素因数の和:28110

約数の個数: 16

約数和(自身を含む): 28306656

約数和(自身を除く): 8228741

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28081, 140405, 308891, 365053, 1544455, 1825265, 4015583, 20077915]

約数ペア:

[(1, 20077915), (5, 4015583), (11, 1825265), (13, 1544455), (55, 365053), (65, 308891), (143, 140405), (715, 28081)]