20082180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1699}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 36466620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1699, 1970, 2364, 2955, 3398, 3940, 5097, 5910, 6796, 8495, 10194, 11820, 16990, 20388, 25485, 33980, 50970, 101940, 334703, 669406, 1004109, 1338812, 1673515, 2008218, 3347030, 4016436, 5020545, 6694060, 10041090, 20082180]

約数ペア:

[(1, 20082180), (2, 10041090), (3, 6694060), (4, 5020545), (5, 4016436), (6, 3347030), (10, 2008218), (12, 1673515), (15, 1338812), (20, 1004109), (30, 669406), (60, 334703), (197, 101940), (394, 50970), (591, 33980), (788, 25485), (985, 20388), (1182, 16990), (1699, 11820), (1970, 10194), (2364, 8495), (2955, 6796), (3398, 5910), (3940, 5097)]