20121571327

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1\times {\mathrm{1601}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 23834684160

約数和(自身を除く): 3713112833

約数列:

[1, 11, 13, 143, 179, 491, 1601, 1969, 2327, 5401, 6383, 17611, 20813, 25597, 70213, 87889, 228943, 286579, 786091, 966779, 1142557, 3152369, 3725527, 8647001, 10219183, 12568127, 40980797, 112411013, 140710289, 1547813179, 1829233757, 20121571327]

約数ペア:

[(1, 20121571327), (11, 1829233757), (13, 1547813179), (143, 140710289), (179, 112411013), (491, 40980797), (1601, 12568127), (1969, 10219183), (2327, 8647001), (5401, 3725527), (6383, 3152369), (17611, 1142557), (20813, 966779), (25597, 786091), (70213, 286579), (87889, 228943)]