20868458

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 35081100

約数和(自身を除く): 14212642

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2129, 4258, 4901, 9802, 27677, 55354, 61741, 123482, 359801, 719602, 802633, 1605266, 10434229, 20868458]

約数ペア:

[(1, 20868458), (2, 10434229), (13, 1605266), (26, 802633), (29, 719602), (58, 359801), (169, 123482), (338, 61741), (377, 55354), (754, 27677), (2129, 9802), (4258, 4901)]