20840784

素因数分解:

$2^4\times 3^1\times {\mathrm{449}}^1\times {\mathrm{967}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 54014400

約数和(自身を除く): 33173616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449, 898, 967, 1347, 1796, 1934, 2694, 2901, 3592, 3868, 5388, 5802, 7184, 7736, 10776, 11604, 15472, 21552, 23208, 46416, 434183, 868366, 1302549, 1736732, 2605098, 3473464, 5210196, 6946928, 10420392, 20840784]

約数ペア:

[(1, 20840784), (2, 10420392), (3, 6946928), (4, 5210196), (6, 3473464), (8, 2605098), (12, 1736732), (16, 1302549), (24, 868366), (48, 434183), (449, 46416), (898, 23208), (967, 21552), (1347, 15472), (1796, 11604), (1934, 10776), (2694, 7736), (2901, 7184), (3592, 5802), (3868, 5388)]