16651060

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1987}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 35068320

約数和(自身を除く): 18417260

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 1987, 2095, 3974, 4190, 7948, 8380, 9935, 19870, 39740, 832553, 1665106, 3330212, 4162765, 8325530, 16651060]

約数ペア:

[(1, 16651060), (2, 8325530), (4, 4162765), (5, 3330212), (10, 1665106), (20, 832553), (419, 39740), (838, 19870), (1676, 9935), (1987, 8380), (2095, 7948), (3974, 4190)]