20828770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 18232670

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 821, 1642, 2537, 4105, 5074, 8210, 12685, 25370, 35303, 48439, 70606, 96878, 176515, 242195, 353030, 484390, 2082877, 4165754, 10414385, 20828770]

約数ペア:

[(1, 20828770), (2, 10414385), (5, 4165754), (10, 2082877), (43, 484390), (59, 353030), (86, 242195), (118, 176515), (215, 96878), (295, 70606), (430, 48439), (590, 35303), (821, 25370), (1642, 12685), (2537, 8210), (4105, 5074)]