20805216442

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1\times {\mathrm{3121}}^1$

素因数の和:3826

約数の個数: 32

約数和(自身を含む): 32102976528

約数和(自身を除く): 11297760086

約数列:

[1, 2, 61, 101, 122, 202, 541, 1082, 3121, 6161, 6242, 12322, 33001, 54641, 66002, 109282, 190381, 315221, 380762, 630442, 1688461, 3333101, 3376922, 6666202, 19228481, 38456962, 102996121, 170534561, 205992242, 341069122, 10402608221, 20805216442]

約数ペア:

[(1, 20805216442), (2, 10402608221), (61, 341069122), (101, 205992242), (122, 170534561), (202, 102996121), (541, 38456962), (1082, 19228481), (3121, 6666202), (6161, 3376922), (6242, 3333101), (12322, 1688461), (33001, 630442), (54641, 380762), (66002, 315221), (109282, 190381)]