20182920903

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{49547}}^1$

素因数の和:49713

約数の個数: 40

約数和(自身を含む): 31079676672

約数和(自身を除く): 10896755769

約数列:

[1, 3, 9, 27, 47, 81, 107, 141, 321, 423, 963, 1269, 2889, 3807, 5029, 8667, 15087, 45261, 49547, 135783, 148641, 407349, 445923, 1337769, 2328709, 4013307, 5301529, 6986127, 15904587, 20958381, 47713761, 62875143, 143141283, 188625429, 249171863, 429423849, 747515589, 2242546767, 6727640301, 20182920903]

約数ペア:

[(1, 20182920903), (3, 6727640301), (9, 2242546767), (27, 747515589), (47, 429423849), (81, 249171863), (107, 188625429), (141, 143141283), (321, 62875143), (423, 47713761), (963, 20958381), (1269, 15904587), (2889, 6986127), (3807, 5301529), (5029, 4013307), (8667, 2328709), (15087, 1337769), (45261, 445923), (49547, 407349), (135783, 148641)]