20407437620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{50461}}^1$

素因数の和:50820

約数の個数: 48

約数和(自身を含む): 43600379088

約数和(自身を除く): 23192941468

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 277, 292, 365, 554, 730, 1108, 1385, 1460, 2770, 5540, 20221, 40442, 50461, 80884, 100922, 101105, 201844, 202210, 252305, 404420, 504610, 1009220, 3683653, 7367306, 13977697, 14734612, 18418265, 27955394, 36836530, 55910788, 69888485, 73673060, 139776970, 279553940, 1020371881, 2040743762, 4081487524, 5101859405, 10203718810, 20407437620]

約数ペア:

[(1, 20407437620), (2, 10203718810), (4, 5101859405), (5, 4081487524), (10, 2040743762), (20, 1020371881), (73, 279553940), (146, 139776970), (277, 73673060), (292, 69888485), (365, 55910788), (554, 36836530), (730, 27955394), (1108, 18418265), (1385, 14734612), (1460, 13977697), (2770, 7367306), (5540, 3683653), (20221, 1009220), (40442, 504610), (50461, 404420), (80884, 252305), (100922, 202210), (101105, 201844)]