20201204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 16123084

約数列:

[1, 2, 4, 71, 83, 142, 166, 284, 332, 857, 1714, 3428, 5893, 11786, 23572, 60847, 71131, 121694, 142262, 243388, 284524, 5050301, 10100602, 20201204]

約数ペア:

[(1, 20201204), (2, 10100602), (4, 5050301), (71, 284524), (83, 243388), (142, 142262), (166, 121694), (284, 71131), (332, 60847), (857, 23572), (1714, 11786), (3428, 5893)]