20119281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5669}}^1$

素因数の和:5705

約数の個数: 24

約数和(自身を含む): 33203520

約数和(自身を除く): 13084239

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5669, 17007, 39683, 73697, 119049, 221091, 515879, 958061, 1547637, 2874183, 6706427, 20119281]

約数ペア:

[(1, 20119281), (3, 6706427), (7, 2874183), (13, 1547637), (21, 958061), (39, 515879), (91, 221091), (169, 119049), (273, 73697), (507, 39683), (1183, 17007), (3549, 5669)]