20173664

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 45849888

約数和(自身を除く): 25676224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 797, 904, 1582, 1594, 1808, 3164, 3188, 3616, 5579, 6328, 6376, 11158, 12656, 12752, 22316, 25312, 25504, 44632, 89264, 90061, 178528, 180122, 360244, 630427, 720488, 1260854, 1440976, 2521708, 2881952, 5043416, 10086832, 20173664]

約数ペア:

[(1, 20173664), (2, 10086832), (4, 5043416), (7, 2881952), (8, 2521708), (14, 1440976), (16, 1260854), (28, 720488), (32, 630427), (56, 360244), (112, 180122), (113, 178528), (224, 90061), (226, 89264), (452, 44632), (791, 25504), (797, 25312), (904, 22316), (1582, 12752), (1594, 12656), (1808, 11158), (3164, 6376), (3188, 6328), (3616, 5579)]