20297620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144983}}^1$

素因数の和:144999

約数の個数: 24

約数和(自身を含む): 48714624

約数和(自身を除く): 28417004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144983, 289966, 579932, 724915, 1014881, 1449830, 2029762, 2899660, 4059524, 5074405, 10148810, 20297620]

約数ペア:

[(1, 20297620), (2, 10148810), (4, 5074405), (5, 4059524), (7, 2899660), (10, 2029762), (14, 1449830), (20, 1014881), (28, 724915), (35, 579932), (70, 289966), (140, 144983)]