172832020

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{19507}}^1$

素因数の和:19959

約数の個数: 24

約数和(自身を含む): 363785184

約数和(自身を除く): 190953164

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 19507, 39014, 78028, 97535, 195070, 390140, 8641601, 17283202, 34566404, 43208005, 86416010, 172832020]

約数ペア:

[(1, 172832020), (2, 86416010), (4, 43208005), (5, 34566404), (10, 17283202), (20, 8641601), (443, 390140), (886, 195070), (1772, 97535), (2215, 78028), (4430, 39014), (8860, 19507)]