20199290992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40724377}}^1$

素因数の和:40724416

約数の個数: 20

約数和(自身を含む): 40398582976

約数和(自身を除く): 20199291984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40724377, 81448754, 162897508, 325795016, 651590032, 1262455687, 2524911374, 5049822748, 10099645496, 20199290992]

約数ペア:

[(1, 20199290992), (2, 10099645496), (4, 5049822748), (8, 2524911374), (16, 1262455687), (31, 651590032), (62, 325795016), (124, 162897508), (248, 81448754), (496, 40724377)]