20584263

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8237}}^1$

素因数の和:8271

約数の個数: 24

約数和(自身を含む): 33808752

約数和(自身を除く): 13224489

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8237, 24711, 57659, 140029, 172977, 403613, 420087, 980203, 1210839, 2940609, 6861421, 20584263]

約数ペア:

[(1, 20584263), (3, 6861421), (7, 2940609), (17, 1210839), (21, 980203), (49, 420087), (51, 403613), (119, 172977), (147, 140029), (357, 57659), (833, 24711), (2499, 8237)]