20970810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33287}}^1$

素因数の和:33307

約数の個数: 48

約数和(自身を含む): 62315136

約数和(自身を除く): 41344326

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33287, 66574, 99861, 166435, 199722, 233009, 299583, 332870, 466018, 499305, 599166, 699027, 998610, 1165045, 1398054, 1497915, 2097081, 2330090, 2995830, 3495135, 4194162, 6990270, 10485405, 20970810]

約数ペア:

[(1, 20970810), (2, 10485405), (3, 6990270), (5, 4194162), (6, 3495135), (7, 2995830), (9, 2330090), (10, 2097081), (14, 1497915), (15, 1398054), (18, 1165045), (21, 998610), (30, 699027), (35, 599166), (42, 499305), (45, 466018), (63, 332870), (70, 299583), (90, 233009), (105, 199722), (126, 166435), (210, 99861), (315, 66574), (630, 33287)]