20575776

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16513

約数の個数: 48

約数和(自身を含む): 58169664

約数和(自身を除く): 37593888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16487, 32974, 49461, 65948, 98922, 131896, 197844, 214331, 263792, 395688, 428662, 527584, 642993, 791376, 857324, 1285986, 1582752, 1714648, 2571972, 3429296, 5143944, 6858592, 10287888, 20575776]

約数ペア:

[(1, 20575776), (2, 10287888), (3, 6858592), (4, 5143944), (6, 3429296), (8, 2571972), (12, 1714648), (13, 1582752), (16, 1285986), (24, 857324), (26, 791376), (32, 642993), (39, 527584), (48, 428662), (52, 395688), (78, 263792), (96, 214331), (104, 197844), (156, 131896), (208, 98922), (312, 65948), (416, 49461), (624, 32974), (1248, 16487)]