20320234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 35328960

約数和(自身を除く): 15008726

約数列:

[1, 2, 11, 19, 22, 38, 173, 209, 281, 346, 418, 562, 1903, 3091, 3287, 3806, 5339, 6182, 6574, 10678, 36157, 48613, 58729, 72314, 97226, 117458, 534743, 923647, 1069486, 1847294, 10160117, 20320234]

約数ペア:

[(1, 20320234), (2, 10160117), (11, 1847294), (19, 1069486), (22, 923647), (38, 534743), (173, 117458), (209, 97226), (281, 72314), (346, 58729), (418, 48613), (562, 36157), (1903, 10678), (3091, 6574), (3287, 6182), (3806, 5339)]