20489952

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{30491}}^1$

素因数の和:30511

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 40981920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 30491, 60982, 91473, 121964, 182946, 213437, 243928, 365892, 426874, 487856, 640311, 731784, 853748, 975712, 1280622, 1463568, 1707496, 2561244, 2927136, 3414992, 5122488, 6829984, 10244976, 20489952]

約数ペア:

[(1, 20489952), (2, 10244976), (3, 6829984), (4, 5122488), (6, 3414992), (7, 2927136), (8, 2561244), (12, 1707496), (14, 1463568), (16, 1280622), (21, 975712), (24, 853748), (28, 731784), (32, 640311), (42, 487856), (48, 426874), (56, 365892), (84, 243928), (96, 213437), (112, 182946), (168, 121964), (224, 91473), (336, 60982), (672, 30491)]