20575070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18011170

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 811, 1622, 2537, 4055, 5074, 8110, 12685, 25370, 34873, 47849, 69746, 95698, 174365, 239245, 348730, 478490, 2057507, 4115014, 10287535, 20575070]

約数ペア:

[(1, 20575070), (2, 10287535), (5, 4115014), (10, 2057507), (43, 478490), (59, 348730), (86, 239245), (118, 174365), (215, 95698), (295, 69746), (430, 47849), (590, 34873), (811, 25370), (1622, 12685), (2537, 8110), (4055, 5074)]