20471776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49211}}^1$

素因数の和:49234

約数の個数: 24

約数和(自身を含む): 43404984

約数和(自身を除く): 22933208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49211, 98422, 196844, 393688, 639743, 787376, 1279486, 1574752, 2558972, 5117944, 10235888, 20471776]

約数ペア:

[(1, 20471776), (2, 10235888), (4, 5117944), (8, 2558972), (13, 1574752), (16, 1279486), (26, 787376), (32, 639743), (52, 393688), (104, 196844), (208, 98422), (416, 49211)]