20970440

素因数分解:

$2^3\times 5^1\times {\mathrm{524261}}^1$

素因数の和:524272

約数の個数: 16

約数和(自身を含む): 47183580

約数和(自身を除く): 26213140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 524261, 1048522, 2097044, 2621305, 4194088, 5242610, 10485220, 20970440]

約数ペア:

[(1, 20970440), (2, 10485220), (4, 5242610), (5, 4194088), (8, 2621305), (10, 2097044), (20, 1048522), (40, 524261)]