20841028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 39408152

約数和(自身を除く): 18567124

約数列:

[1, 2, 4, 13, 26, 52, 457, 877, 914, 1754, 1828, 3508, 5941, 11401, 11882, 22802, 23764, 45604, 400789, 801578, 1603156, 5210257, 10420514, 20841028]

約数ペア:

[(1, 20841028), (2, 10420514), (4, 5210257), (13, 1603156), (26, 801578), (52, 400789), (457, 45604), (877, 23764), (914, 22802), (1754, 11882), (1828, 11401), (3508, 5941)]