201879820

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{6947}}^1$

素因数の和:8409

約数の個数: 24

約数和(自身を含む): 424300464

約数和(自身を除く): 222420644

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2906, 5812, 6947, 7265, 13894, 14530, 27788, 29060, 34735, 69470, 138940, 10093991, 20187982, 40375964, 50469955, 100939910, 201879820]

約数ペア:

[(1, 201879820), (2, 100939910), (4, 50469955), (5, 40375964), (10, 20187982), (20, 10093991), (1453, 138940), (2906, 69470), (5812, 34735), (6947, 29060), (7265, 27788), (13894, 14530)]