20057720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 46313640

約数和(自身を除く): 26255920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 227, 235, 376, 454, 470, 908, 940, 1135, 1816, 1880, 2209, 2270, 4418, 4540, 8836, 9080, 10669, 11045, 17672, 21338, 22090, 42676, 44180, 53345, 85352, 88360, 106690, 213380, 426760, 501443, 1002886, 2005772, 2507215, 4011544, 5014430, 10028860, 20057720]

約数ペア:

[(1, 20057720), (2, 10028860), (4, 5014430), (5, 4011544), (8, 2507215), (10, 2005772), (20, 1002886), (40, 501443), (47, 426760), (94, 213380), (188, 106690), (227, 88360), (235, 85352), (376, 53345), (454, 44180), (470, 42676), (908, 22090), (940, 21338), (1135, 17672), (1816, 11045), (1880, 10669), (2209, 9080), (2270, 8836), (4418, 4540)]