20788016

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2843}}^1$

素因数の和:3308

約数の個数: 20

約数和(自身を含む): 40379112

約数和(自身を除く): 19591096

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2843, 3656, 5686, 7312, 11372, 22744, 45488, 1299251, 2598502, 5197004, 10394008, 20788016]

約数ペア:

[(1, 20788016), (2, 10394008), (4, 5197004), (8, 2598502), (16, 1299251), (457, 45488), (914, 22744), (1828, 11372), (2843, 7312), (3656, 5686)]