206814220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{57131}}^1$

素因数の和:57321

約数の個数: 24

約数和(自身を含む): 436717008

約数和(自身を除く): 229902788

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 57131, 114262, 228524, 285655, 571310, 1142620, 10340711, 20681422, 41362844, 51703555, 103407110, 206814220]

約数ペア:

[(1, 206814220), (2, 103407110), (4, 51703555), (5, 41362844), (10, 20681422), (20, 10340711), (181, 1142620), (362, 571310), (724, 285655), (905, 228524), (1810, 114262), (3620, 57131)]