20428170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 56712960

約数和(自身を除く): 36284790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1093, 1246, 1335, 1869, 2186, 2670, 3115, 3279, 3738, 5465, 6230, 6558, 7651, 9345, 10930, 15302, 16395, 18690, 22953, 32790, 38255, 45906, 76510, 97277, 114765, 194554, 229530, 291831, 486385, 583662, 680939, 972770, 1361878, 1459155, 2042817, 2918310, 3404695, 4085634, 6809390, 10214085, 20428170]

約数ペア:

[(1, 20428170), (2, 10214085), (3, 6809390), (5, 4085634), (6, 3404695), (7, 2918310), (10, 2042817), (14, 1459155), (15, 1361878), (21, 972770), (30, 680939), (35, 583662), (42, 486385), (70, 291831), (89, 229530), (105, 194554), (178, 114765), (210, 97277), (267, 76510), (445, 45906), (534, 38255), (623, 32790), (890, 22953), (1093, 18690), (1246, 16395), (1335, 15302), (1869, 10930), (2186, 9345), (2670, 7651), (3115, 6558), (3279, 6230), (3738, 5465)]