20539408040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8703139}}^1$

素因数の和:8703209

約数の個数: 32

約数和(自身を含む): 46996956000

約数和(自身を除く): 26457547960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8703139, 17406278, 34812556, 43515695, 69625112, 87031390, 174062780, 348125560, 513485201, 1026970402, 2053940804, 2567426005, 4107881608, 5134852010, 10269704020, 20539408040]

約数ペア:

[(1, 20539408040), (2, 10269704020), (4, 5134852010), (5, 4107881608), (8, 2567426005), (10, 2053940804), (20, 1026970402), (40, 513485201), (59, 348125560), (118, 174062780), (236, 87031390), (295, 69625112), (472, 43515695), (590, 34812556), (1180, 17406278), (2360, 8703139)]