20309152

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 43522920

約数和(自身を除く): 23213768

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1009, 1184, 1258, 2018, 2516, 4036, 5032, 8072, 10064, 16144, 17153, 20128, 32288, 34306, 37333, 68612, 74666, 137224, 149332, 274448, 298664, 548896, 597328, 634661, 1194656, 1269322, 2538644, 5077288, 10154576, 20309152]

約数ペア:

[(1, 20309152), (2, 10154576), (4, 5077288), (8, 2538644), (16, 1269322), (17, 1194656), (32, 634661), (34, 597328), (37, 548896), (68, 298664), (74, 274448), (136, 149332), (148, 137224), (272, 74666), (296, 68612), (544, 37333), (592, 34306), (629, 32288), (1009, 20128), (1184, 17153), (1258, 16144), (2018, 10064), (2516, 8072), (4036, 5032)]