20775104

素因数分解:

$2^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 47792640

約数和(自身を除く): 27017536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 158, 224, 316, 448, 553, 587, 632, 1106, 1174, 1264, 2212, 2348, 2528, 4109, 4424, 4696, 5056, 8218, 8848, 9392, 16436, 17696, 18784, 32872, 35392, 37568, 46373, 65744, 92746, 131488, 185492, 262976, 324611, 370984, 649222, 741968, 1298444, 1483936, 2596888, 2967872, 5193776, 10387552, 20775104]

約数ペア:

[(1, 20775104), (2, 10387552), (4, 5193776), (7, 2967872), (8, 2596888), (14, 1483936), (16, 1298444), (28, 741968), (32, 649222), (56, 370984), (64, 324611), (79, 262976), (112, 185492), (158, 131488), (224, 92746), (316, 65744), (448, 46373), (553, 37568), (587, 35392), (632, 32872), (1106, 18784), (1174, 17696), (1264, 16436), (2212, 9392), (2348, 8848), (2528, 8218), (4109, 5056), (4424, 4696)]