20138431072

素因数分解:

$2^5\times {\mathrm{629325971}}^1$

素因数の和:629325981

約数の個数: 12

約数和(自身を含む): 39647536236

約数和(自身を除く): 19509105164

約数列:

[1, 2, 4, 8, 16, 32, 629325971, 1258651942, 2517303884, 5034607768, 10069215536, 20138431072]

約数ペア:

[(1, 20138431072), (2, 10069215536), (4, 5034607768), (8, 2517303884), (16, 1258651942), (32, 629325971)]