20876394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 52853760

約数和(自身を除く): 31977366

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 73, 77, 146, 154, 219, 231, 438, 462, 511, 619, 803, 1022, 1238, 1533, 1606, 1857, 2409, 3066, 3714, 4333, 4818, 5621, 6809, 8666, 11242, 12999, 13618, 16863, 20427, 25998, 33726, 40854, 45187, 47663, 90374, 95326, 135561, 142989, 271122, 285978, 316309, 497057, 632618, 948927, 994114, 1491171, 1897854, 2982342, 3479399, 6958798, 10438197, 20876394]

約数ペア:

[(1, 20876394), (2, 10438197), (3, 6958798), (6, 3479399), (7, 2982342), (11, 1897854), (14, 1491171), (21, 994114), (22, 948927), (33, 632618), (42, 497057), (66, 316309), (73, 285978), (77, 271122), (146, 142989), (154, 135561), (219, 95326), (231, 90374), (438, 47663), (462, 45187), (511, 40854), (619, 33726), (803, 25998), (1022, 20427), (1238, 16863), (1533, 13618), (1606, 12999), (1857, 11242), (2409, 8666), (3066, 6809), (3714, 5621), (4333, 4818)]