20686406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3329}}^1$

素因数の和:3583

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12879994

約数列:

[1, 2, 13, 26, 239, 478, 3107, 3329, 6214, 6658, 43277, 86554, 795631, 1591262, 10343203, 20686406]

約数ペア:

[(1, 20686406), (2, 10343203), (13, 1591262), (26, 795631), (239, 86554), (478, 43277), (3107, 6658), (3329, 6214)]