20810692

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 42876540

約数和(自身を除く): 22065848

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1193, 1246, 2386, 2492, 4361, 4772, 8351, 8722, 16702, 17444, 33404, 58457, 106177, 116914, 212354, 233828, 424708, 743239, 1486478, 2972956, 5202673, 10405346, 20810692]

約数ペア:

[(1, 20810692), (2, 10405346), (4, 5202673), (7, 2972956), (14, 1486478), (28, 743239), (49, 424708), (89, 233828), (98, 212354), (178, 116914), (196, 106177), (356, 58457), (623, 33404), (1193, 17444), (1246, 16702), (2386, 8722), (2492, 8351), (4361, 4772)]