20180743420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{76367}}^1$

素因数の和:76630

約数の個数: 48

約数和(自身を含む): 43198017408

約数和(自身を除く): 23017273988

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 181, 292, 362, 365, 724, 730, 905, 1460, 1810, 3620, 13213, 26426, 52852, 66065, 76367, 132130, 152734, 264260, 305468, 381835, 763670, 1527340, 5574791, 11149582, 13822427, 22299164, 27644854, 27873955, 55289708, 55747910, 69112135, 111495820, 138224270, 276448540, 1009037171, 2018074342, 4036148684, 5045185855, 10090371710, 20180743420]

約数ペア:

[(1, 20180743420), (2, 10090371710), (4, 5045185855), (5, 4036148684), (10, 2018074342), (20, 1009037171), (73, 276448540), (146, 138224270), (181, 111495820), (292, 69112135), (362, 55747910), (365, 55289708), (724, 27873955), (730, 27644854), (905, 22299164), (1460, 13822427), (1810, 11149582), (3620, 5574791), (13213, 1527340), (26426, 763670), (52852, 381835), (66065, 305468), (76367, 264260), (132130, 152734)]