20235038418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{444863}}^1$

素因数の和:444916

約数の個数: 72

約数和(自身を含む): 52881873408

約数和(自身を除く): 32646834990

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 722, 798, 1083, 1197, 2166, 2394, 2527, 3249, 5054, 6498, 7581, 15162, 22743, 45486, 444863, 889726, 1334589, 2669178, 3114041, 4003767, 6228082, 8007534, 8452397, 9342123, 16904794, 18684246, 25357191, 28026369, 50714382, 56052738, 59166779, 76071573, 118333558, 152143146, 160595543, 177500337, 321191086, 355000674, 481786629, 532501011, 963573258, 1065002022, 1124168801, 1445359887, 2248337602, 2890719774, 3372506403, 6745012806, 10117519209, 20235038418]

約数ペア:

[(1, 20235038418), (2, 10117519209), (3, 6745012806), (6, 3372506403), (7, 2890719774), (9, 2248337602), (14, 1445359887), (18, 1124168801), (19, 1065002022), (21, 963573258), (38, 532501011), (42, 481786629), (57, 355000674), (63, 321191086), (114, 177500337), (126, 160595543), (133, 152143146), (171, 118333558), (266, 76071573), (342, 59166779), (361, 56052738), (399, 50714382), (722, 28026369), (798, 25357191), (1083, 18684246), (1197, 16904794), (2166, 9342123), (2394, 8452397), (2527, 8007534), (3249, 6228082), (5054, 4003767), (6498, 3114041), (7581, 2669178), (15162, 1334589), (22743, 889726), (45486, 444863)]