20120123127

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{6961}}^1\times {\mathrm{5701}}^1$

素因数の和:12691

約数の個数: 24

約数和(自身を含む): 29058441168

約数和(自身を除く): 8938318041

約数列:

[1, 3, 13, 39, 169, 507, 5701, 6961, 17103, 20883, 74113, 90493, 222339, 271479, 963469, 1176409, 2890407, 3529227, 39684661, 119053983, 515900593, 1547701779, 6706707709, 20120123127]

約数ペア:

[(1, 20120123127), (3, 6706707709), (13, 1547701779), (39, 515900593), (169, 119053983), (507, 39684661), (5701, 3529227), (6961, 2890407), (17103, 1176409), (20883, 963469), (74113, 271479), (90493, 222339)]