20832940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45289}}^1$

素因数の和:45321

約数の個数: 24

約数和(自身を含む): 45652320

約数和(自身を除く): 24819380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45289, 90578, 181156, 226445, 452890, 905780, 1041647, 2083294, 4166588, 5208235, 10416470, 20832940]

約数ペア:

[(1, 20832940), (2, 10416470), (4, 5208235), (5, 4166588), (10, 2083294), (20, 1041647), (23, 905780), (46, 452890), (92, 226445), (115, 181156), (230, 90578), (460, 45289)]