20582160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 43699440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 449, 573, 764, 898, 955, 1146, 1347, 1528, 1796, 1910, 2245, 2292, 2694, 2865, 3056, 3592, 3820, 4490, 4584, 5388, 5730, 6735, 7184, 7640, 8980, 9168, 10776, 11460, 13470, 15280, 17960, 21552, 22920, 26940, 35920, 45840, 53880, 85759, 107760, 171518, 257277, 343036, 428795, 514554, 686072, 857590, 1029108, 1286385, 1372144, 1715180, 2058216, 2572770, 3430360, 4116432, 5145540, 6860720, 10291080, 20582160]

約数ペア:

[(1, 20582160), (2, 10291080), (3, 6860720), (4, 5145540), (5, 4116432), (6, 3430360), (8, 2572770), (10, 2058216), (12, 1715180), (15, 1372144), (16, 1286385), (20, 1029108), (24, 857590), (30, 686072), (40, 514554), (48, 428795), (60, 343036), (80, 257277), (120, 171518), (191, 107760), (240, 85759), (382, 53880), (449, 45840), (573, 35920), (764, 26940), (898, 22920), (955, 21552), (1146, 17960), (1347, 15280), (1528, 13470), (1796, 11460), (1910, 10776), (2245, 9168), (2292, 8980), (2694, 7640), (2865, 7184), (3056, 6735), (3592, 5730), (3820, 5388), (4490, 4584)]