200102020

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{21893}}^1$

素因数の和:22359

約数の個数: 24

約数和(自身を含む): 421152984

約数和(自身を除く): 221050964

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 21893, 43786, 87572, 109465, 218930, 437860, 10005101, 20010202, 40020404, 50025505, 100051010, 200102020]

約数ペア:

[(1, 200102020), (2, 100051010), (4, 50025505), (5, 40020404), (10, 20010202), (20, 10005101), (457, 437860), (914, 218930), (1828, 109465), (2285, 87572), (4570, 43786), (9140, 21893)]