20315318

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1$

素因数の和:2023

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 11021962

約数列:

[1, 2, 61, 89, 122, 178, 1871, 3742, 5429, 10858, 114131, 166519, 228262, 333038, 10157659, 20315318]

約数ペア:

[(1, 20315318), (2, 10157659), (61, 333038), (89, 228262), (122, 166519), (178, 114131), (1871, 10858), (3742, 5429)]