20503233

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11015487

約数列:

[1, 3, 9, 27, 47, 107, 141, 151, 321, 423, 453, 963, 1269, 1359, 2889, 4077, 5029, 7097, 15087, 16157, 21291, 45261, 48471, 63873, 135783, 145413, 191619, 436239, 759379, 2278137, 6834411, 20503233]

約数ペア:

[(1, 20503233), (3, 6834411), (9, 2278137), (27, 759379), (47, 436239), (107, 191619), (141, 145413), (151, 135783), (321, 63873), (423, 48471), (453, 45261), (963, 21291), (1269, 16157), (1359, 15087), (2889, 7097), (4077, 5029)]