210319220

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{20107}}^1$

素因数の和:20639

約数の個数: 24

約数和(自身を含む): 442536864

約数和(自身を除く): 232217644

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 20107, 40214, 80428, 100535, 201070, 402140, 10515961, 21031922, 42063844, 52579805, 105159610, 210319220]

約数ペア:

[(1, 210319220), (2, 105159610), (4, 52579805), (5, 42063844), (10, 21031922), (20, 10515961), (523, 402140), (1046, 201070), (2092, 100535), (2615, 80428), (5230, 40214), (10460, 20107)]