20408862

素因数分解:

$2^1\times 3^1\times {\mathrm{653}}^1\times {\mathrm{5209}}^1$

素因数の和:5867

約数の個数: 16

約数和(自身を含む): 40888080

約数和(自身を除く): 20479218

約数列:

[1, 2, 3, 6, 653, 1306, 1959, 3918, 5209, 10418, 15627, 31254, 3401477, 6802954, 10204431, 20408862]

約数ペア:

[(1, 20408862), (2, 10204431), (3, 6802954), (6, 3401477), (653, 31254), (1306, 15627), (1959, 10418), (3918, 5209)]