20623473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 11612367

約数列:

[1, 3, 9, 13, 39, 117, 359, 491, 1077, 1473, 3231, 4419, 4667, 6383, 14001, 19149, 42003, 57447, 176269, 528807, 1586421, 2291497, 6874491, 20623473]

約数ペア:

[(1, 20623473), (3, 6874491), (9, 2291497), (13, 1586421), (39, 528807), (117, 176269), (359, 57447), (491, 42003), (1077, 19149), (1473, 14001), (3231, 6383), (4419, 4667)]