20131269284

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1\times {\mathrm{4253}}^1$

素因数の和:6716

約数の個数: 48

約数和(自身を含む): 40856368896

約数和(自身を除く): 20725099612

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 2381, 4253, 4762, 8506, 9524, 16667, 17012, 29771, 33334, 59542, 66668, 119084, 169051, 301963, 338102, 603926, 676204, 1183357, 1207852, 2113741, 2366714, 4227482, 4733428, 8454964, 10126393, 20252786, 40505572, 70884751, 141769502, 283539004, 718973903, 1437947806, 2875895612, 5032817321, 10065634642, 20131269284]

約数ペア:

[(1, 20131269284), (2, 10065634642), (4, 5032817321), (7, 2875895612), (14, 1437947806), (28, 718973903), (71, 283539004), (142, 141769502), (284, 70884751), (497, 40505572), (994, 20252786), (1988, 10126393), (2381, 8454964), (4253, 4733428), (4762, 4227482), (8506, 2366714), (9524, 2113741), (16667, 1207852), (17012, 1183357), (29771, 676204), (33334, 603926), (59542, 338102), (66668, 301963), (119084, 169051)]