20365860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 57347136

約数和(自身を除く): 36981276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1723, 1970, 2364, 2955, 3446, 3940, 5169, 5910, 6892, 8615, 10338, 11820, 17230, 20676, 25845, 34460, 51690, 103380, 339431, 678862, 1018293, 1357724, 1697155, 2036586, 3394310, 4073172, 5091465, 6788620, 10182930, 20365860]

約数ペア:

[(1, 20365860), (2, 10182930), (3, 6788620), (4, 5091465), (5, 4073172), (6, 3394310), (10, 2036586), (12, 1697155), (15, 1357724), (20, 1018293), (30, 678862), (60, 339431), (197, 103380), (394, 51690), (591, 34460), (788, 25845), (985, 20676), (1182, 17230), (1723, 11820), (1970, 10338), (2364, 8615), (2955, 6892), (3446, 5910), (3940, 5169)]