20921841036

素因数分解:

$2^2\times 3^2\times {\mathrm{12953}}^1\times {\mathrm{44867}}^1$

素因数の和:57830

約数の個数: 36

約数和(自身を含む): 52891026552

約数和(自身を除く): 31969185516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 12953, 25906, 38859, 44867, 51812, 77718, 89734, 116577, 134601, 155436, 179468, 233154, 269202, 403803, 466308, 538404, 807606, 1615212, 581162251, 1162324502, 1743486753, 2324649004, 3486973506, 5230460259, 6973947012, 10460920518, 20921841036]

約数ペア:

[(1, 20921841036), (2, 10460920518), (3, 6973947012), (4, 5230460259), (6, 3486973506), (9, 2324649004), (12, 1743486753), (18, 1162324502), (36, 581162251), (12953, 1615212), (25906, 807606), (38859, 538404), (44867, 466308), (51812, 403803), (77718, 269202), (89734, 233154), (116577, 179468), (134601, 155436)]