20363915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 9876085

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1499, 2717, 7495, 13585, 16489, 19487, 28481, 82445, 97435, 142405, 214357, 313291, 370253, 1071785, 1566455, 1851265, 4072783, 20363915]

約数ペア:

[(1, 20363915), (5, 4072783), (11, 1851265), (13, 1566455), (19, 1071785), (55, 370253), (65, 313291), (95, 214357), (143, 142405), (209, 97435), (247, 82445), (715, 28481), (1045, 19487), (1235, 16489), (1499, 13585), (2717, 7495)]