20453769

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3538

約数の個数: 32

約数和(自身を含む): 35758080

約数和(自身を除く): 15304311

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3491, 5859, 10473, 24437, 31419, 73311, 94257, 108221, 219933, 324663, 659799, 757547, 973989, 2272641, 2921967, 6817923, 20453769]

約数ペア:

[(1, 20453769), (3, 6817923), (7, 2921967), (9, 2272641), (21, 973989), (27, 757547), (31, 659799), (63, 324663), (93, 219933), (189, 108221), (217, 94257), (279, 73311), (651, 31419), (837, 24437), (1953, 10473), (3491, 5859)]