12220580

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1097}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 25732728

約数和(自身を除く): 13512148

約数列:

[1, 2, 4, 5, 10, 20, 557, 1097, 1114, 2194, 2228, 2785, 4388, 5485, 5570, 10970, 11140, 21940, 611029, 1222058, 2444116, 3055145, 6110290, 12220580]

約数ペア:

[(1, 12220580), (2, 6110290), (4, 3055145), (5, 2444116), (10, 1222058), (20, 611029), (557, 21940), (1097, 11140), (1114, 10970), (2194, 5570), (2228, 5485), (2785, 4388)]