20776336

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1801}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 46477184

約数和(自身を除く): 25700848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 1801, 2884, 3602, 5768, 7204, 11536, 12607, 14408, 25214, 28816, 50428, 100856, 185503, 201712, 371006, 742012, 1298521, 1484024, 2597042, 2968048, 5194084, 10388168, 20776336]

約数ペア:

[(1, 20776336), (2, 10388168), (4, 5194084), (7, 2968048), (8, 2597042), (14, 1484024), (16, 1298521), (28, 742012), (56, 371006), (103, 201712), (112, 185503), (206, 100856), (412, 50428), (721, 28816), (824, 25214), (1442, 14408), (1648, 12607), (1801, 11536), (2884, 7204), (3602, 5768)]