16420816

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{3343}}^1$

素因数の和:3658

約数の個数: 20

約数和(自身を含む): 31928512

約数和(自身を除く): 15507696

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 3343, 4912, 6686, 13372, 26744, 53488, 1026301, 2052602, 4105204, 8210408, 16420816]

約数ペア:

[(1, 16420816), (2, 8210408), (4, 4105204), (8, 2052602), (16, 1026301), (307, 53488), (614, 26744), (1228, 13372), (2456, 6686), (3343, 4912)]