20469128

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1063}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19750072

約数列:

[1, 2, 4, 8, 29, 58, 83, 116, 166, 232, 332, 664, 1063, 2126, 2407, 4252, 4814, 8504, 9628, 19256, 30827, 61654, 88229, 123308, 176458, 246616, 352916, 705832, 2558641, 5117282, 10234564, 20469128]

約数ペア:

[(1, 20469128), (2, 10234564), (4, 5117282), (8, 2558641), (29, 705832), (58, 352916), (83, 246616), (116, 176458), (166, 123308), (232, 88229), (332, 61654), (664, 30827), (1063, 19256), (2126, 9628), (2407, 8504), (4252, 4814)]