20443408

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1933}}^1$

素因数の和:2602

約数の個数: 20

約数和(自身を含む): 39689548

約数和(自身を除く): 19246140

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1933, 2644, 3866, 5288, 7732, 10576, 15464, 30928, 1277713, 2555426, 5110852, 10221704, 20443408]

約数ペア:

[(1, 20443408), (2, 10221704), (4, 5110852), (8, 2555426), (16, 1277713), (661, 30928), (1322, 15464), (1933, 10576), (2644, 7732), (3866, 5288)]