20884552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8773

約数の個数: 32

約数和(自身を含む): 44009280

約数和(自身を除く): 23124728

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8731, 17462, 34924, 69848, 113503, 200813, 227006, 401626, 454012, 803252, 908024, 1606504, 2610569, 5221138, 10442276, 20884552]

約数ペア:

[(1, 20884552), (2, 10442276), (4, 5221138), (8, 2610569), (13, 1606504), (23, 908024), (26, 803252), (46, 454012), (52, 401626), (92, 227006), (104, 200813), (184, 113503), (299, 69848), (598, 34924), (1196, 17462), (2392, 8731)]