20513736

素因数分解:

$2^3\times 3^4\times {\mathrm{31657}}^1$

素因数の和:31675

約数の個数: 40

約数和(自身を含む): 57459270

約数和(自身を除く): 36945534

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31657, 63314, 94971, 126628, 189942, 253256, 284913, 379884, 569826, 759768, 854739, 1139652, 1709478, 2279304, 2564217, 3418956, 5128434, 6837912, 10256868, 20513736]

約数ペア:

[(1, 20513736), (2, 10256868), (3, 6837912), (4, 5128434), (6, 3418956), (8, 2564217), (9, 2279304), (12, 1709478), (18, 1139652), (24, 854739), (27, 759768), (36, 569826), (54, 379884), (72, 284913), (81, 253256), (108, 189942), (162, 126628), (216, 94971), (324, 63314), (648, 31657)]