20768928

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{3229}}^1$

素因数の和:3309

約数の個数: 48

約数和(自身を含む): 55349280

約数和(自身を除く): 34580352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 96, 134, 201, 268, 402, 536, 804, 1072, 1608, 2144, 3216, 3229, 6432, 6458, 9687, 12916, 19374, 25832, 38748, 51664, 77496, 103328, 154992, 216343, 309984, 432686, 649029, 865372, 1298058, 1730744, 2596116, 3461488, 5192232, 6922976, 10384464, 20768928]

約数ペア:

[(1, 20768928), (2, 10384464), (3, 6922976), (4, 5192232), (6, 3461488), (8, 2596116), (12, 1730744), (16, 1298058), (24, 865372), (32, 649029), (48, 432686), (67, 309984), (96, 216343), (134, 154992), (201, 103328), (268, 77496), (402, 51664), (536, 38748), (804, 25832), (1072, 19374), (1608, 12916), (2144, 9687), (3216, 6458), (3229, 6432)]