20898992

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18397}}^1$

素因数の和:18476

約数の個数: 20

約数和(自身を含む): 41064336

約数和(自身を除く): 20165344

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18397, 36794, 73588, 147176, 294352, 1306187, 2612374, 5224748, 10449496, 20898992]

約数ペア:

[(1, 20898992), (2, 10449496), (4, 5224748), (8, 2612374), (16, 1306187), (71, 294352), (142, 147176), (284, 73588), (568, 36794), (1136, 18397)]