20108524140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{561377}}^1$

素因数の和:561591

約数の個数: 72

約数和(自身を含む): 61302477600

約数和(自身を除く): 41193953460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 35820, 561377, 1122754, 1684131, 2245508, 2806885, 3368262, 5052393, 5613770, 6736524, 8420655, 10104786, 11227540, 16841310, 20209572, 25261965, 33682620, 50523930, 101047860, 111714023, 223428046, 335142069, 446856092, 558570115, 670284138, 1005426207, 1117140230, 1340568276, 1675710345, 2010852414, 2234280460, 3351420690, 4021704828, 5027131035, 6702841380, 10054262070, 20108524140]

約数ペア:

[(1, 20108524140), (2, 10054262070), (3, 6702841380), (4, 5027131035), (5, 4021704828), (6, 3351420690), (9, 2234280460), (10, 2010852414), (12, 1675710345), (15, 1340568276), (18, 1117140230), (20, 1005426207), (30, 670284138), (36, 558570115), (45, 446856092), (60, 335142069), (90, 223428046), (180, 111714023), (199, 101047860), (398, 50523930), (597, 33682620), (796, 25261965), (995, 20209572), (1194, 16841310), (1791, 11227540), (1990, 10104786), (2388, 8420655), (2985, 6736524), (3582, 5613770), (3980, 5052393), (5970, 3368262), (7164, 2806885), (8955, 2245508), (11940, 1684131), (17910, 1122754), (35820, 561377)]