20191312

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5659}}^1$

素因数の和:5890

約数の個数: 20

約数和(自身を含む): 39303040

約数和(自身を除く): 19111728

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5659, 11318, 22636, 45272, 90544, 1261957, 2523914, 5047828, 10095656, 20191312]

約数ペア:

[(1, 20191312), (2, 10095656), (4, 5047828), (8, 2523914), (16, 1261957), (223, 90544), (446, 45272), (892, 22636), (1784, 11318), (3568, 5659)]