20290152

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19661}}^1$

素因数の和:19713

約数の個数: 32

約数和(自身を含む): 51907680

約数和(自身を除く): 31617528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19661, 39322, 58983, 78644, 117966, 157288, 235932, 471864, 845423, 1690846, 2536269, 3381692, 5072538, 6763384, 10145076, 20290152]

約数ペア:

[(1, 20290152), (2, 10145076), (3, 6763384), (4, 5072538), (6, 3381692), (8, 2536269), (12, 1690846), (24, 845423), (43, 471864), (86, 235932), (129, 157288), (172, 117966), (258, 78644), (344, 58983), (516, 39322), (1032, 19661)]