20159195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 29383584

約数和(自身を除く): 9224389

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 1993, 2023, 9965, 10115, 13951, 33881, 69755, 169405, 237167, 575977, 1185835, 2879885, 4031839, 20159195]

約数ペア:

[(1, 20159195), (5, 4031839), (7, 2879885), (17, 1185835), (35, 575977), (85, 237167), (119, 169405), (289, 69755), (595, 33881), (1445, 13951), (1993, 10115), (2023, 9965)]