204215965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{9811}}^1$

素因数の和:10020

約数の個数: 16

約数和(自身を含む): 257152896

約数和(自身を除く): 52936931

約数列:

[1, 5, 23, 115, 181, 905, 4163, 9811, 20815, 49055, 225653, 1128265, 1775791, 8878955, 40843193, 204215965]

約数ペア:

[(1, 204215965), (5, 40843193), (23, 8878955), (115, 1775791), (181, 1128265), (905, 225653), (4163, 49055), (9811, 20815)]