20237978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1709}}^1$

素因数の和:1933

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11280742

約数列:

[1, 2, 31, 62, 191, 382, 1709, 3418, 5921, 11842, 52979, 105958, 326419, 652838, 10118989, 20237978]

約数ペア:

[(1, 20237978), (2, 10118989), (31, 652838), (62, 326419), (191, 105958), (382, 52979), (1709, 11842), (3418, 5921)]