20835760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23677}}^1$

素因数の和:23701

約数の個数: 40

約数和(自身を含む): 52849296

約数和(自身を除く): 32013536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23677, 47354, 94708, 118385, 189416, 236770, 260447, 378832, 473540, 520894, 947080, 1041788, 1302235, 1894160, 2083576, 2604470, 4167152, 5208940, 10417880, 20835760]

約数ペア:

[(1, 20835760), (2, 10417880), (4, 5208940), (5, 4167152), (8, 2604470), (10, 2083576), (11, 1894160), (16, 1302235), (20, 1041788), (22, 947080), (40, 520894), (44, 473540), (55, 378832), (80, 260447), (88, 236770), (110, 189416), (176, 118385), (220, 94708), (440, 47354), (880, 23677)]