15916820

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{967}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 33500544

約数和(自身を除く): 17583724

約数列:

[1, 2, 4, 5, 10, 20, 823, 967, 1646, 1934, 3292, 3868, 4115, 4835, 8230, 9670, 16460, 19340, 795841, 1591682, 3183364, 3979205, 7958410, 15916820]

約数ペア:

[(1, 15916820), (2, 7958410), (4, 3979205), (5, 3183364), (10, 1591682), (20, 795841), (823, 19340), (967, 16460), (1646, 9670), (1934, 8230), (3292, 4835), (3868, 4115)]