20099690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154613}}^1$

素因数の和:154633

約数の個数: 16

約数和(自身を含む): 38962728

約数和(自身を除く): 18863038

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154613, 309226, 773065, 1546130, 2009969, 4019938, 10049845, 20099690]

約数ペア:

[(1, 20099690), (2, 10049845), (5, 4019938), (10, 2009969), (13, 1546130), (26, 773065), (65, 309226), (130, 154613)]