20709624

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66377}}^1$

素因数の和:66399

約数の個数: 32

約数和(自身を含む): 55757520

約数和(自身を除く): 35047896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66377, 132754, 199131, 265508, 398262, 531016, 796524, 862901, 1593048, 1725802, 2588703, 3451604, 5177406, 6903208, 10354812, 20709624]

約数ペア:

[(1, 20709624), (2, 10354812), (3, 6903208), (4, 5177406), (6, 3451604), (8, 2588703), (12, 1725802), (13, 1593048), (24, 862901), (26, 796524), (39, 531016), (52, 398262), (78, 265508), (104, 199131), (156, 132754), (312, 66377)]