20931678

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40099}}^1$

素因数の和:40136

約数の個数: 24

約数和(自身を含む): 46917000

約数和(自身を除く): 25985322

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40099, 80198, 120297, 240594, 360891, 721782, 1162871, 2325742, 3488613, 6977226, 10465839, 20931678]

約数ペア:

[(1, 20931678), (2, 10465839), (3, 6977226), (6, 3488613), (9, 2325742), (18, 1162871), (29, 721782), (58, 360891), (87, 240594), (174, 120297), (261, 80198), (522, 40099)]