20763536

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 42255480

約数和(自身を除く): 21491944

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 146, 232, 292, 464, 584, 613, 1168, 1226, 2117, 2452, 4234, 4904, 8468, 9808, 16936, 17777, 33872, 35554, 44749, 71108, 89498, 142216, 178996, 284432, 357992, 715984, 1297721, 2595442, 5190884, 10381768, 20763536]

約数ペア:

[(1, 20763536), (2, 10381768), (4, 5190884), (8, 2595442), (16, 1297721), (29, 715984), (58, 357992), (73, 284432), (116, 178996), (146, 142216), (232, 89498), (292, 71108), (464, 44749), (584, 35554), (613, 33872), (1168, 17777), (1226, 16936), (2117, 9808), (2452, 8468), (4234, 4904)]