20452572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 59500896

約数和(自身を除く): 39048324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 277, 293, 554, 586, 831, 879, 1108, 1172, 1662, 1758, 1939, 2051, 2493, 2637, 3324, 3516, 3878, 4102, 4986, 5274, 5817, 6153, 7756, 8204, 9972, 10548, 11634, 12306, 17451, 18459, 23268, 24612, 34902, 36918, 69804, 73836, 81161, 162322, 243483, 324644, 486966, 568127, 730449, 973932, 1136254, 1460898, 1704381, 2272508, 2921796, 3408762, 5113143, 6817524, 10226286, 20452572]

約数ペア:

[(1, 20452572), (2, 10226286), (3, 6817524), (4, 5113143), (6, 3408762), (7, 2921796), (9, 2272508), (12, 1704381), (14, 1460898), (18, 1136254), (21, 973932), (28, 730449), (36, 568127), (42, 486966), (63, 324644), (84, 243483), (126, 162322), (252, 81161), (277, 73836), (293, 69804), (554, 36918), (586, 34902), (831, 24612), (879, 23268), (1108, 18459), (1172, 17451), (1662, 12306), (1758, 11634), (1939, 10548), (2051, 9972), (2493, 8204), (2637, 7756), (3324, 6153), (3516, 5817), (3878, 5274), (4102, 4986)]