20432860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145949}}^1$

素因数の和:145965

約数の個数: 24

約数和(自身を含む): 49039200

約数和(自身を除く): 28606340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145949, 291898, 583796, 729745, 1021643, 1459490, 2043286, 2918980, 4086572, 5108215, 10216430, 20432860]

約数ペア:

[(1, 20432860), (2, 10216430), (4, 5108215), (5, 4086572), (7, 2918980), (10, 2043286), (14, 1459490), (20, 1021643), (28, 729745), (35, 583796), (70, 291898), (140, 145949)]