20331507

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56951}}^1$

素因数の和:56978

約数の個数: 16

約数和(自身を含む): 32804352

約数和(自身を除く): 12472845

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56951, 170853, 398657, 968167, 1195971, 2904501, 6777169, 20331507]

約数ペア:

[(1, 20331507), (3, 6777169), (7, 2904501), (17, 1195971), (21, 968167), (51, 398657), (119, 170853), (357, 56951)]