20622525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3571}}^1$

素因数の和:3602

約数の個数: 48

約数和(自身を含む): 42521088

約数和(自身を除く): 21898563

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3571, 5775, 10713, 17855, 24997, 39281, 53565, 74991, 89275, 117843, 124985, 196405, 267825, 274967, 374955, 589215, 624925, 824901, 982025, 1374835, 1874775, 2946075, 4124505, 6874175, 20622525]

約数ペア:

[(1, 20622525), (3, 6874175), (5, 4124505), (7, 2946075), (11, 1874775), (15, 1374835), (21, 982025), (25, 824901), (33, 624925), (35, 589215), (55, 374955), (75, 274967), (77, 267825), (105, 196405), (165, 124985), (175, 117843), (231, 89275), (275, 74991), (385, 53565), (525, 39281), (825, 24997), (1155, 17855), (1925, 10713), (3571, 5775)]