20872856557

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1\times {\mathrm{67709}}^1$

素因数の和:68700

約数の個数: 16

約数和(自身を含む): 24388600320

約数和(自身を除く): 3515743763

約数列:

[1, 7, 47, 329, 937, 6559, 44039, 67709, 308273, 473963, 3182323, 22276261, 63443333, 444103331, 2981836651, 20872856557]

約数ペア:

[(1, 20872856557), (7, 2981836651), (47, 444103331), (329, 63443333), (937, 22276261), (6559, 3182323), (44039, 473963), (67709, 308273)]