20151915088

素因数分解:

$2^4\times {\mathrm{2027}}^1\times {\mathrm{621359}}^1$

素因数の和:623394

約数の個数: 20

約数和(自身を含む): 39063660480

約数和(自身を除く): 18911745392

約数列:

[1, 2, 4, 8, 16, 2027, 4054, 8108, 16216, 32432, 621359, 1242718, 2485436, 4970872, 9941744, 1259494693, 2518989386, 5037978772, 10075957544, 20151915088]

約数ペア:

[(1, 20151915088), (2, 10075957544), (4, 5037978772), (8, 2518989386), (16, 1259494693), (2027, 9941744), (4054, 4970872), (8108, 2485436), (16216, 1242718), (32432, 621359)]