20188520972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{162810653}}^1$

素因数の和:162810688

約数の個数: 12

約数和(自身を含む): 36469586496

約数和(自身を除く): 16281065524

約数列:

[1, 2, 4, 31, 62, 124, 162810653, 325621306, 651242612, 5047130243, 10094260486, 20188520972]

約数ペア:

[(1, 20188520972), (2, 10094260486), (4, 5047130243), (31, 651242612), (62, 325621306), (124, 162810653)]