20745522010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19032589}}^1$

素因数の和:19032705

約数の個数: 16

約数和(自身を含む): 37684528200

約数和(自身を除く): 16939006190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19032589, 38065178, 95162945, 190325890, 2074552201, 4149104402, 10372761005, 20745522010]

約数ペア:

[(1, 20745522010), (2, 10372761005), (5, 4149104402), (10, 2074552201), (109, 190325890), (218, 95162945), (545, 38065178), (1090, 19032589)]