20148470499

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{148021}}^1$

素因数の和:148215

約数の個数: 24

約数和(自身を含む): 28719820528

約数和(自身を除く): 8571350029

約数列:

[1, 3, 17, 51, 157, 289, 471, 867, 2669, 8007, 45373, 136119, 148021, 444063, 2516357, 7549071, 23239297, 42778069, 69717891, 128334207, 395068049, 1185204147, 6716156833, 20148470499]

約数ペア:

[(1, 20148470499), (3, 6716156833), (17, 1185204147), (51, 395068049), (157, 128334207), (289, 69717891), (471, 42778069), (867, 23239297), (2669, 7549071), (8007, 2516357), (45373, 444063), (136119, 148021)]