20021631

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3299}}^1$

素因数の和:3343

約数の個数: 24

約数和(自身を含む): 32419200

約数和(自身を除く): 12397569

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3299, 6069, 9897, 23093, 56083, 69279, 168249, 392581, 953411, 1177743, 2860233, 6673877, 20021631]

約数ペア:

[(1, 20021631), (3, 6673877), (7, 2860233), (17, 1177743), (21, 953411), (51, 392581), (119, 168249), (289, 69279), (357, 56083), (867, 23093), (2023, 9897), (3299, 6069)]