20959497

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 11800503

約数列:

[1, 3, 9, 13, 39, 117, 359, 499, 1077, 1497, 3231, 4491, 4667, 6487, 14001, 19461, 42003, 58383, 179141, 537423, 1612269, 2328833, 6986499, 20959497]

約数ペア:

[(1, 20959497), (3, 6986499), (9, 2328833), (13, 1612269), (39, 537423), (117, 179141), (359, 58383), (499, 42003), (1077, 19461), (1497, 14001), (3231, 6487), (4491, 4667)]