220872020

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{9257}}^1$

素因数の和:10459

約数の個数: 24

約数和(自身を含む): 464270184

約数和(自身を除く): 243398164

約数列:

[1, 2, 4, 5, 10, 20, 1193, 2386, 4772, 5965, 9257, 11930, 18514, 23860, 37028, 46285, 92570, 185140, 11043601, 22087202, 44174404, 55218005, 110436010, 220872020]

約数ペア:

[(1, 220872020), (2, 110436010), (4, 55218005), (5, 44174404), (10, 22087202), (20, 11043601), (1193, 185140), (2386, 92570), (4772, 46285), (5965, 37028), (9257, 23860), (11930, 18514)]