20478030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40153}}^1$

素因数の和:40180

約数の個数: 32

約数和(自身を含む): 52039584

約数和(自身を除く): 31561554

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40153, 80306, 120459, 200765, 240918, 401530, 602295, 682601, 1204590, 1365202, 2047803, 3413005, 4095606, 6826010, 10239015, 20478030]

約数ペア:

[(1, 20478030), (2, 10239015), (3, 6826010), (5, 4095606), (6, 3413005), (10, 2047803), (15, 1365202), (17, 1204590), (30, 682601), (34, 602295), (51, 401530), (85, 240918), (102, 200765), (170, 120459), (255, 80306), (510, 40153)]