20285340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2239}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 57200640

約数和(自身を除く): 36915300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2239, 2265, 3020, 4478, 4530, 6717, 8956, 9060, 11195, 13434, 22390, 26868, 33585, 44780, 67170, 134340, 338089, 676178, 1014267, 1352356, 1690445, 2028534, 3380890, 4057068, 5071335, 6761780, 10142670, 20285340]

約数ペア:

[(1, 20285340), (2, 10142670), (3, 6761780), (4, 5071335), (5, 4057068), (6, 3380890), (10, 2028534), (12, 1690445), (15, 1352356), (20, 1014267), (30, 676178), (60, 338089), (151, 134340), (302, 67170), (453, 44780), (604, 33585), (755, 26868), (906, 22390), (1510, 13434), (1812, 11195), (2239, 9060), (2265, 8956), (3020, 6717), (4478, 4530)]