20215300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28879}}^1$

素因数の和:28900

約数の個数: 36

約数和(自身を含む): 50135680

約数和(自身を除く): 29920380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28879, 57758, 115516, 144395, 202153, 288790, 404306, 577580, 721975, 808612, 1010765, 1443950, 2021530, 2887900, 4043060, 5053825, 10107650, 20215300]

約数ペア:

[(1, 20215300), (2, 10107650), (4, 5053825), (5, 4043060), (7, 2887900), (10, 2021530), (14, 1443950), (20, 1010765), (25, 808612), (28, 721975), (35, 577580), (50, 404306), (70, 288790), (100, 202153), (140, 144395), (175, 115516), (350, 57758), (700, 28879)]