20199042992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40723877}}^1$

素因数の和:40723916

約数の個数: 20

約数和(自身を含む): 40398086976

約数和(自身を除く): 20199043984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40723877, 81447754, 162895508, 325791016, 651582032, 1262440187, 2524880374, 5049760748, 10099521496, 20199042992]

約数ペア:

[(1, 20199042992), (2, 10099521496), (4, 5049760748), (8, 2524880374), (16, 1262440187), (31, 651582032), (62, 325791016), (124, 162895508), (248, 81447754), (496, 40723877)]