20213072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{114847}}^1$

素因数の和:114866

約数の個数: 20

約数和(自身を含む): 42723456

約数和(自身を除く): 22510384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114847, 229694, 459388, 918776, 1263317, 1837552, 2526634, 5053268, 10106536, 20213072]

約数ペア:

[(1, 20213072), (2, 10106536), (4, 5053268), (8, 2526634), (11, 1837552), (16, 1263317), (22, 918776), (44, 459388), (88, 229694), (176, 114847)]