20087490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2153}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 48387456

約数和(自身を除く): 28299966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2153, 3110, 4306, 4665, 6459, 9330, 10765, 12918, 21530, 32295, 64590, 669583, 1339166, 2008749, 3347915, 4017498, 6695830, 10043745, 20087490]

約数ペア:

[(1, 20087490), (2, 10043745), (3, 6695830), (5, 4017498), (6, 3347915), (10, 2008749), (15, 1339166), (30, 669583), (311, 64590), (622, 32295), (933, 21530), (1555, 12918), (1866, 10765), (2153, 9330), (3110, 6459), (4306, 4665)]