20710220

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3373}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 43646064

約数和(自身を除く): 22935844

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3373, 6140, 6746, 13492, 16865, 33730, 67460, 1035511, 2071022, 4142044, 5177555, 10355110, 20710220]

約数ペア:

[(1, 20710220), (2, 10355110), (4, 5177555), (5, 4142044), (10, 2071022), (20, 1035511), (307, 67460), (614, 33730), (1228, 16865), (1535, 13492), (3070, 6746), (3373, 6140)]