20570484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 54578944

約数和(自身を除く): 34008460

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 457, 484, 682, 726, 914, 1023, 1364, 1371, 1452, 1828, 2046, 2742, 3751, 4092, 5027, 5484, 7502, 10054, 11253, 14167, 15004, 15081, 20108, 22506, 28334, 30162, 42501, 45012, 55297, 56668, 60324, 85002, 110594, 155837, 165891, 170004, 221188, 311674, 331782, 467511, 623348, 663564, 935022, 1714207, 1870044, 3428414, 5142621, 6856828, 10285242, 20570484]

約数ペア:

[(1, 20570484), (2, 10285242), (3, 6856828), (4, 5142621), (6, 3428414), (11, 1870044), (12, 1714207), (22, 935022), (31, 663564), (33, 623348), (44, 467511), (62, 331782), (66, 311674), (93, 221188), (121, 170004), (124, 165891), (132, 155837), (186, 110594), (242, 85002), (341, 60324), (363, 56668), (372, 55297), (457, 45012), (484, 42501), (682, 30162), (726, 28334), (914, 22506), (1023, 20108), (1364, 15081), (1371, 15004), (1452, 14167), (1828, 11253), (2046, 10054), (2742, 7502), (3751, 5484), (4092, 5027)]