20146760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2531}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 45576000

約数和(自身を除く): 25429240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2531, 3980, 5062, 7960, 10124, 12655, 20248, 25310, 50620, 101240, 503669, 1007338, 2014676, 2518345, 4029352, 5036690, 10073380, 20146760]

約数ペア:

[(1, 20146760), (2, 10073380), (4, 5036690), (5, 4029352), (8, 2518345), (10, 2014676), (20, 1007338), (40, 503669), (199, 101240), (398, 50620), (796, 25310), (995, 20248), (1592, 12655), (1990, 10124), (2531, 7960), (3980, 5062)]