20512887764

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{577}}^1\times {\mathrm{240209}}^1$

素因数の和:240827

約数の個数: 24

約数和(自身を含む): 36931807080

約数和(自身を除く): 16418919316

約数列:

[1, 2, 4, 37, 74, 148, 577, 1154, 2308, 21349, 42698, 85396, 240209, 480418, 960836, 8887733, 17775466, 35550932, 138600593, 277201186, 554402372, 5128221941, 10256443882, 20512887764]

約数ペア:

[(1, 20512887764), (2, 10256443882), (4, 5128221941), (37, 554402372), (74, 277201186), (148, 138600593), (577, 35550932), (1154, 17775466), (2308, 8887733), (21349, 960836), (42698, 480418), (85396, 240209)]