20105169

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 32716800

約数和(自身を除く): 12611631

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 283, 357, 597, 849, 1393, 1981, 3383, 4179, 4811, 5943, 10149, 14433, 23681, 33677, 56317, 71043, 101031, 168951, 394219, 957389, 1182657, 2872167, 6701723, 20105169]

約数ペア:

[(1, 20105169), (3, 6701723), (7, 2872167), (17, 1182657), (21, 957389), (51, 394219), (119, 168951), (199, 101031), (283, 71043), (357, 56317), (597, 33677), (849, 23681), (1393, 14433), (1981, 10149), (3383, 5943), (4179, 4811)]