415794020

素因数分解:

$2^2\times 5^1\times {\mathrm{20789701}}^1$

素因数の和:20789710

約数の個数: 12

約数和(自身を含む): 873167484

約数和(自身を除く): 457373464

約数列:

[1, 2, 4, 5, 10, 20, 20789701, 41579402, 83158804, 103948505, 207897010, 415794020]

約数ペア:

[(1, 415794020), (2, 207897010), (4, 103948505), (5, 83158804), (10, 41579402), (20, 20789701)]