20564982

素因数分解:

$2^1\times 3^3\times {\mathrm{373}}^1\times {\mathrm{1021}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 45867360

約数和(自身を除く): 25302378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 373, 746, 1021, 1119, 2042, 2238, 3063, 3357, 6126, 6714, 9189, 10071, 18378, 20142, 27567, 55134, 380833, 761666, 1142499, 2284998, 3427497, 6854994, 10282491, 20564982]

約数ペア:

[(1, 20564982), (2, 10282491), (3, 6854994), (6, 3427497), (9, 2284998), (18, 1142499), (27, 761666), (54, 380833), (373, 55134), (746, 27567), (1021, 20142), (1119, 18378), (2042, 10071), (2238, 9189), (3063, 6714), (3357, 6126)]