20827023

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 33882624

約数和(自身を除く): 13055601

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 257, 357, 681, 771, 1589, 1799, 3859, 4369, 4767, 5397, 11577, 13107, 27013, 30583, 58339, 81039, 91749, 175017, 408373, 991763, 1225119, 2975289, 6942341, 20827023]

約数ペア:

[(1, 20827023), (3, 6942341), (7, 2975289), (17, 1225119), (21, 991763), (51, 408373), (119, 175017), (227, 91749), (257, 81039), (357, 58339), (681, 30583), (771, 27013), (1589, 13107), (1799, 11577), (3859, 5397), (4369, 4767)]