20224377620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12800239}}^1$

素因数の和:12800327

約数の個数: 24

約数和(自身を含む): 43008806400

約数和(自身を除く): 22784428780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12800239, 25600478, 51200956, 64001195, 128002390, 256004780, 1011218881, 2022437762, 4044875524, 5056094405, 10112188810, 20224377620]

約数ペア:

[(1, 20224377620), (2, 10112188810), (4, 5056094405), (5, 4044875524), (10, 2022437762), (20, 1011218881), (79, 256004780), (158, 128002390), (316, 64001195), (395, 51200956), (790, 25600478), (1580, 12800239)]