20097880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45677}}^1$

素因数の和:45699

約数の個数: 32

約数和(自身を含む): 49332240

約数和(自身を除く): 29234360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45677, 91354, 182708, 228385, 365416, 456770, 502447, 913540, 1004894, 1827080, 2009788, 2512235, 4019576, 5024470, 10048940, 20097880]

約数ペア:

[(1, 20097880), (2, 10048940), (4, 5024470), (5, 4019576), (8, 2512235), (10, 2009788), (11, 1827080), (20, 1004894), (22, 913540), (40, 502447), (44, 456770), (55, 365416), (88, 228385), (110, 182708), (220, 91354), (440, 45677)]