20858049796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{2161}}^1\times {\mathrm{77839}}^1$

素因数の和:80035

約数の個数: 24

約数和(自身を含む): 37696977920

約数和(自身を除く): 16838928124

約数列:

[1, 2, 4, 31, 62, 124, 2161, 4322, 8644, 66991, 77839, 133982, 155678, 267964, 311356, 2413009, 4826018, 9652036, 168210079, 336420158, 672840316, 5214512449, 10429024898, 20858049796]

約数ペア:

[(1, 20858049796), (2, 10429024898), (4, 5214512449), (31, 672840316), (62, 336420158), (124, 168210079), (2161, 9652036), (4322, 4826018), (8644, 2413009), (66991, 311356), (77839, 267964), (133982, 155678)]