20916016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5167}}^1$

素因数の和:5209

約数の個数: 40

約数和(自身を含む): 46139904

約数和(自身を除く): 25223888

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5167, 10334, 20668, 41336, 56837, 82672, 113674, 118841, 227348, 237682, 454696, 475364, 909392, 950728, 1307251, 1901456, 2614502, 5229004, 10458008, 20916016]

約数ペア:

[(1, 20916016), (2, 10458008), (4, 5229004), (8, 2614502), (11, 1901456), (16, 1307251), (22, 950728), (23, 909392), (44, 475364), (46, 454696), (88, 237682), (92, 227348), (176, 118841), (184, 113674), (253, 82672), (368, 56837), (506, 41336), (1012, 20668), (2024, 10334), (4048, 5167)]