20106968

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 25719592

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 67, 92, 134, 161, 184, 233, 268, 322, 466, 469, 536, 644, 932, 938, 1288, 1541, 1631, 1864, 1876, 3082, 3262, 3752, 5359, 6164, 6524, 10718, 10787, 12328, 13048, 15611, 21436, 21574, 31222, 37513, 42872, 43148, 62444, 75026, 86296, 109277, 124888, 150052, 218554, 300104, 359053, 437108, 718106, 874216, 1436212, 2513371, 2872424, 5026742, 10053484, 20106968]

約数ペア:

[(1, 20106968), (2, 10053484), (4, 5026742), (7, 2872424), (8, 2513371), (14, 1436212), (23, 874216), (28, 718106), (46, 437108), (56, 359053), (67, 300104), (92, 218554), (134, 150052), (161, 124888), (184, 109277), (233, 86296), (268, 75026), (322, 62444), (466, 43148), (469, 42872), (536, 37513), (644, 31222), (932, 21574), (938, 21436), (1288, 15611), (1541, 13048), (1631, 12328), (1864, 10787), (1876, 10718), (3082, 6524), (3262, 6164), (3752, 5359)]