20918004

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{23879}}^1$

素因数の和:23959

約数の個数: 24

約数和(自身を含む): 49479360

約数和(自身を除く): 28561356

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 23879, 47758, 71637, 95516, 143274, 286548, 1743167, 3486334, 5229501, 6972668, 10459002, 20918004]

約数ペア:

[(1, 20918004), (2, 10459002), (3, 6972668), (4, 5229501), (6, 3486334), (12, 1743167), (73, 286548), (146, 143274), (219, 95516), (292, 71637), (438, 47758), (876, 23879)]