20857776

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25561}}^1$

素因数の和:25589

約数の個数: 40

約数和(自身を含む): 57054384

約数和(自身を除く): 36196608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25561, 51122, 76683, 102244, 153366, 204488, 306732, 408976, 434537, 613464, 869074, 1226928, 1303611, 1738148, 2607222, 3476296, 5214444, 6952592, 10428888, 20857776]

約数ペア:

[(1, 20857776), (2, 10428888), (3, 6952592), (4, 5214444), (6, 3476296), (8, 2607222), (12, 1738148), (16, 1303611), (17, 1226928), (24, 869074), (34, 613464), (48, 434537), (51, 408976), (68, 306732), (102, 204488), (136, 153366), (204, 102244), (272, 76683), (408, 51122), (816, 25561)]