20432260

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1579}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 43001280

約数和(自身を除く): 22569020

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1579, 2588, 3158, 3235, 6316, 6470, 7895, 12940, 15790, 31580, 1021613, 2043226, 4086452, 5108065, 10216130, 20432260]

約数ペア:

[(1, 20432260), (2, 10216130), (4, 5108065), (5, 4086452), (10, 2043226), (20, 1021613), (647, 31580), (1294, 15790), (1579, 12940), (2588, 7895), (3158, 6470), (3235, 6316)]