20745504

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1879

約数の個数: 96

約数和(自身を含む): 65197440

約数和(自身を除く): 44451936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1847, 1872, 2808, 3694, 3744, 5541, 5616, 7388, 11082, 11232, 14776, 16623, 22164, 24011, 29552, 33246, 44328, 48022, 49869, 59104, 66492, 72033, 88656, 96044, 99738, 132984, 144066, 177312, 192088, 199476, 216099, 265968, 288132, 384176, 398952, 432198, 531936, 576264, 648297, 768352, 797904, 864396, 1152528, 1296594, 1595808, 1728792, 2305056, 2593188, 3457584, 5186376, 6915168, 10372752, 20745504]

約数ペア:

[(1, 20745504), (2, 10372752), (3, 6915168), (4, 5186376), (6, 3457584), (8, 2593188), (9, 2305056), (12, 1728792), (13, 1595808), (16, 1296594), (18, 1152528), (24, 864396), (26, 797904), (27, 768352), (32, 648297), (36, 576264), (39, 531936), (48, 432198), (52, 398952), (54, 384176), (72, 288132), (78, 265968), (96, 216099), (104, 199476), (108, 192088), (117, 177312), (144, 144066), (156, 132984), (208, 99738), (216, 96044), (234, 88656), (288, 72033), (312, 66492), (351, 59104), (416, 49869), (432, 48022), (468, 44328), (624, 33246), (702, 29552), (864, 24011), (936, 22164), (1248, 16623), (1404, 14776), (1847, 11232), (1872, 11082), (2808, 7388), (3694, 5616), (3744, 5541)]