20087720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17317}}^1$

素因数の和:17357

約数の個数: 32

約数和(自身を含む): 46758600

約数和(自身を除く): 26670880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17317, 34634, 69268, 86585, 138536, 173170, 346340, 502193, 692680, 1004386, 2008772, 2510965, 4017544, 5021930, 10043860, 20087720]

約数ペア:

[(1, 20087720), (2, 10043860), (4, 5021930), (5, 4017544), (8, 2510965), (10, 2008772), (20, 1004386), (29, 692680), (40, 502193), (58, 346340), (116, 173170), (145, 138536), (232, 86585), (290, 69268), (580, 34634), (1160, 17317)]