20356260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11699}}^1$

素因数の和:11740

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 38611740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11699, 23398, 35097, 46796, 58495, 70194, 116990, 140388, 175485, 233980, 339271, 350970, 678542, 701940, 1017813, 1357084, 1696355, 2035626, 3392710, 4071252, 5089065, 6785420, 10178130, 20356260]

約数ペア:

[(1, 20356260), (2, 10178130), (3, 6785420), (4, 5089065), (5, 4071252), (6, 3392710), (10, 2035626), (12, 1696355), (15, 1357084), (20, 1017813), (29, 701940), (30, 678542), (58, 350970), (60, 339271), (87, 233980), (116, 175485), (145, 140388), (174, 116990), (290, 70194), (348, 58495), (435, 46796), (580, 35097), (870, 23398), (1740, 11699)]