20376090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10781}}^1$

素因数の和:10804

約数の個数: 64

約数和(自身を含む): 62104320

約数和(自身を除く): 41728230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10781, 21562, 32343, 53905, 64686, 75467, 97029, 107810, 150934, 161715, 194058, 226401, 291087, 323430, 377335, 452802, 485145, 582174, 679203, 754670, 970290, 1132005, 1358406, 1455435, 2037609, 2264010, 2910870, 3396015, 4075218, 6792030, 10188045, 20376090]

約数ペア:

[(1, 20376090), (2, 10188045), (3, 6792030), (5, 4075218), (6, 3396015), (7, 2910870), (9, 2264010), (10, 2037609), (14, 1455435), (15, 1358406), (18, 1132005), (21, 970290), (27, 754670), (30, 679203), (35, 582174), (42, 485145), (45, 452802), (54, 377335), (63, 323430), (70, 291087), (90, 226401), (105, 194058), (126, 161715), (135, 150934), (189, 107810), (210, 97029), (270, 75467), (315, 64686), (378, 53905), (630, 32343), (945, 21562), (1890, 10781)]