20132380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 44291520

約数和(自身を除く): 24159140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 337, 412, 515, 580, 674, 1030, 1348, 1685, 2060, 2987, 3370, 5974, 6740, 9773, 11948, 14935, 19546, 29870, 34711, 39092, 48865, 59740, 69422, 97730, 138844, 173555, 195460, 347110, 694220, 1006619, 2013238, 4026476, 5033095, 10066190, 20132380]

約数ペア:

[(1, 20132380), (2, 10066190), (4, 5033095), (5, 4026476), (10, 2013238), (20, 1006619), (29, 694220), (58, 347110), (103, 195460), (116, 173555), (145, 138844), (206, 97730), (290, 69422), (337, 59740), (412, 48865), (515, 39092), (580, 34711), (674, 29870), (1030, 19546), (1348, 14935), (1685, 11948), (2060, 9773), (2987, 6740), (3370, 5974)]