20004037196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{44101}}^1$

素因数の和:44203

約数の個数: 72

約数和(自身を含む): 42032028528

約数和(自身を除く): 22027991332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 122, 143, 169, 244, 286, 338, 572, 671, 676, 793, 1342, 1586, 1859, 2684, 3172, 3718, 7436, 8723, 10309, 17446, 20618, 34892, 41236, 44101, 88202, 113399, 176404, 226798, 453596, 485111, 573313, 970222, 1146626, 1940444, 2293252, 2690161, 5380322, 6306443, 7453069, 10760644, 12612886, 14906138, 25225772, 29591771, 29812276, 34972093, 59183542, 69944186, 81983759, 118367084, 139888372, 163967518, 327935036, 384693023, 454637209, 769386046, 909274418, 1538772092, 1818548836, 5001009299, 10002018598, 20004037196]

約数ペア:

[(1, 20004037196), (2, 10002018598), (4, 5001009299), (11, 1818548836), (13, 1538772092), (22, 909274418), (26, 769386046), (44, 454637209), (52, 384693023), (61, 327935036), (122, 163967518), (143, 139888372), (169, 118367084), (244, 81983759), (286, 69944186), (338, 59183542), (572, 34972093), (671, 29812276), (676, 29591771), (793, 25225772), (1342, 14906138), (1586, 12612886), (1859, 10760644), (2684, 7453069), (3172, 6306443), (3718, 5380322), (7436, 2690161), (8723, 2293252), (10309, 1940444), (17446, 1146626), (20618, 970222), (34892, 573313), (41236, 485111), (44101, 453596), (88202, 226798), (113399, 176404)]