20326120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6961}}^1$

素因数の和:7045

約数の個数: 32

約数和(自身を含む): 46366920

約数和(自身を除く): 26040800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6961, 13922, 27844, 34805, 55688, 69610, 139220, 278440, 508153, 1016306, 2032612, 2540765, 4065224, 5081530, 10163060, 20326120]

約数ペア:

[(1, 20326120), (2, 10163060), (4, 5081530), (5, 4065224), (8, 2540765), (10, 2032612), (20, 1016306), (40, 508153), (73, 278440), (146, 139220), (292, 69610), (365, 55688), (584, 34805), (730, 27844), (1460, 13922), (2920, 6961)]