20836788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248057}}^1$

素因数の和:248071

約数の個数: 24

約数和(自身を含む): 55564992

約数和(自身を除く): 34728204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248057, 496114, 744171, 992228, 1488342, 1736399, 2976684, 3472798, 5209197, 6945596, 10418394, 20836788]

約数ペア:

[(1, 20836788), (2, 10418394), (3, 6945596), (4, 5209197), (6, 3472798), (7, 2976684), (12, 1736399), (14, 1488342), (21, 992228), (28, 744171), (42, 496114), (84, 248057)]