20542074

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 48312288

約数和(自身を除く): 27770214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 642, 653, 749, 1306, 1498, 1959, 2247, 3918, 4494, 4571, 5243, 9142, 10486, 13713, 15729, 27426, 31458, 31997, 63994, 69871, 95991, 139742, 191982, 209613, 419226, 489097, 978194, 1467291, 2934582, 3423679, 6847358, 10271037, 20542074]

約数ペア:

[(1, 20542074), (2, 10271037), (3, 6847358), (6, 3423679), (7, 2934582), (14, 1467291), (21, 978194), (42, 489097), (49, 419226), (98, 209613), (107, 191982), (147, 139742), (214, 95991), (294, 69871), (321, 63994), (642, 31997), (653, 31458), (749, 27426), (1306, 15729), (1498, 13713), (1959, 10486), (2247, 9142), (3918, 5243), (4494, 4571)]