20201559

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12893097

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 797, 1207, 1491, 2391, 3621, 5579, 8449, 13549, 16737, 25347, 40647, 56587, 94843, 169761, 284529, 396109, 961979, 1188327, 2885937, 6733853, 20201559]

約数ペア:

[(1, 20201559), (3, 6733853), (7, 2885937), (17, 1188327), (21, 961979), (51, 396109), (71, 284529), (119, 169761), (213, 94843), (357, 56587), (497, 40647), (797, 25347), (1207, 16737), (1491, 13549), (2391, 8449), (3621, 5579)]