20863108

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 43263360

約数和(自身を除く): 22400252

約数列:

[1, 2, 4, 7, 14, 28, 59, 73, 118, 146, 173, 236, 292, 346, 413, 511, 692, 826, 1022, 1211, 1652, 2044, 2422, 4307, 4844, 8614, 10207, 12629, 17228, 20414, 25258, 30149, 40828, 50516, 60298, 71449, 88403, 120596, 142898, 176806, 285796, 353612, 745111, 1490222, 2980444, 5215777, 10431554, 20863108]

約数ペア:

[(1, 20863108), (2, 10431554), (4, 5215777), (7, 2980444), (14, 1490222), (28, 745111), (59, 353612), (73, 285796), (118, 176806), (146, 142898), (173, 120596), (236, 88403), (292, 71449), (346, 60298), (413, 50516), (511, 40828), (692, 30149), (826, 25258), (1022, 20414), (1211, 17228), (1652, 12629), (2044, 10207), (2422, 8614), (4307, 4844)]