68634220

素因数分解:

$2^2\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{2027}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 144288144

約数和(自身を除く): 75653924

約数列:

[1, 2, 4, 5, 10, 20, 1693, 2027, 3386, 4054, 6772, 8108, 8465, 10135, 16930, 20270, 33860, 40540, 3431711, 6863422, 13726844, 17158555, 34317110, 68634220]

約数ペア:

[(1, 68634220), (2, 34317110), (4, 17158555), (5, 13726844), (10, 6863422), (20, 3431711), (1693, 40540), (2027, 33860), (3386, 20270), (4054, 16930), (6772, 10135), (8108, 8465)]