20218226

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 24

約数和(自身を含む): 35270784

約数和(自身を除く): 15052558

約数列:

[1, 2, 7, 14, 73, 146, 271, 511, 542, 1022, 1897, 3794, 5329, 10658, 19783, 37303, 39566, 74606, 138481, 276962, 1444159, 2888318, 10109113, 20218226]

約数ペア:

[(1, 20218226), (2, 10109113), (7, 2888318), (14, 1444159), (73, 276962), (146, 138481), (271, 74606), (511, 39566), (542, 37303), (1022, 19783), (1897, 10658), (3794, 5329)]