20205460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3216

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27694700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3167, 3190, 6334, 6380, 12668, 15835, 31670, 34837, 63340, 69674, 91843, 139348, 174185, 183686, 348370, 367372, 459215, 696740, 918430, 1010273, 1836860, 2020546, 4041092, 5051365, 10102730, 20205460]

約数ペア:

[(1, 20205460), (2, 10102730), (4, 5051365), (5, 4041092), (10, 2020546), (11, 1836860), (20, 1010273), (22, 918430), (29, 696740), (44, 459215), (55, 367372), (58, 348370), (110, 183686), (116, 174185), (145, 139348), (220, 91843), (290, 69674), (319, 63340), (580, 34837), (638, 31670), (1276, 15835), (1595, 12668), (3167, 6380), (3190, 6334)]