20747940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5861}}^1$

素因数の和:5932

約数の個数: 48

約数和(自身を含む): 59088960

約数和(自身を除く): 38341020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5861, 11722, 17583, 23444, 29305, 35166, 58610, 70332, 87915, 117220, 175830, 345799, 351660, 691598, 1037397, 1383196, 1728995, 2074794, 3457990, 4149588, 5186985, 6915980, 10373970, 20747940]

約数ペア:

[(1, 20747940), (2, 10373970), (3, 6915980), (4, 5186985), (5, 4149588), (6, 3457990), (10, 2074794), (12, 1728995), (15, 1383196), (20, 1037397), (30, 691598), (59, 351660), (60, 345799), (118, 175830), (177, 117220), (236, 87915), (295, 70332), (354, 58610), (590, 35166), (708, 29305), (885, 23444), (1180, 17583), (1770, 11722), (3540, 5861)]