20690124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18947}}^1$

素因数の和:18974

約数の個数: 48

約数和(自身を含む): 59420928

約数和(自身を除く): 38730804

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18947, 37894, 56841, 75788, 113682, 132629, 227364, 246311, 265258, 397887, 492622, 530516, 738933, 795774, 985244, 1477866, 1591548, 1724177, 2955732, 3448354, 5172531, 6896708, 10345062, 20690124]

約数ペア:

[(1, 20690124), (2, 10345062), (3, 6896708), (4, 5172531), (6, 3448354), (7, 2955732), (12, 1724177), (13, 1591548), (14, 1477866), (21, 985244), (26, 795774), (28, 738933), (39, 530516), (42, 492622), (52, 397887), (78, 265258), (84, 246311), (91, 227364), (156, 132629), (182, 113682), (273, 75788), (364, 56841), (546, 37894), (1092, 18947)]