20262180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 57052800

約数和(自身を除く): 36790620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1697, 1990, 2388, 2985, 3394, 3980, 5091, 5970, 6788, 8485, 10182, 11940, 16970, 20364, 25455, 33940, 50910, 101820, 337703, 675406, 1013109, 1350812, 1688515, 2026218, 3377030, 4052436, 5065545, 6754060, 10131090, 20262180]

約数ペア:

[(1, 20262180), (2, 10131090), (3, 6754060), (4, 5065545), (5, 4052436), (6, 3377030), (10, 2026218), (12, 1688515), (15, 1350812), (20, 1013109), (30, 675406), (60, 337703), (199, 101820), (398, 50910), (597, 33940), (796, 25455), (995, 20364), (1194, 16970), (1697, 11940), (1990, 10182), (2388, 8485), (2985, 6788), (3394, 5970), (3980, 5091)]