20840496

素因数分解:

$2^4\times 3^1\times {\mathrm{509}}^1\times {\mathrm{853}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 54006960

約数和(自身を除く): 33166464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 509, 853, 1018, 1527, 1706, 2036, 2559, 3054, 3412, 4072, 5118, 6108, 6824, 8144, 10236, 12216, 13648, 20472, 24432, 40944, 434177, 868354, 1302531, 1736708, 2605062, 3473416, 5210124, 6946832, 10420248, 20840496]

約数ペア:

[(1, 20840496), (2, 10420248), (3, 6946832), (4, 5210124), (6, 3473416), (8, 2605062), (12, 1736708), (16, 1302531), (24, 868354), (48, 434177), (509, 40944), (853, 24432), (1018, 20472), (1527, 13648), (1706, 12216), (2036, 10236), (2559, 8144), (3054, 6824), (3412, 6108), (4072, 5118)]