20038740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1009}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 56333760

約数和(自身を除く): 36295020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1009, 1324, 1655, 1986, 2018, 3027, 3310, 3972, 4036, 4965, 5045, 6054, 6620, 9930, 10090, 12108, 15135, 19860, 20180, 30270, 60540, 333979, 667958, 1001937, 1335916, 1669895, 2003874, 3339790, 4007748, 5009685, 6679580, 10019370, 20038740]

約数ペア:

[(1, 20038740), (2, 10019370), (3, 6679580), (4, 5009685), (5, 4007748), (6, 3339790), (10, 2003874), (12, 1669895), (15, 1335916), (20, 1001937), (30, 667958), (60, 333979), (331, 60540), (662, 30270), (993, 20180), (1009, 19860), (1324, 15135), (1655, 12108), (1986, 10090), (2018, 9930), (3027, 6620), (3310, 6054), (3972, 5045), (4036, 4965)]