20199010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155377}}^1$

素因数の和:155397

約数の個数: 16

約数和(自身を含む): 39155256

約数和(自身を除く): 18956246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155377, 310754, 776885, 1553770, 2019901, 4039802, 10099505, 20199010]

約数ペア:

[(1, 20199010), (2, 10099505), (5, 4039802), (10, 2019901), (13, 1553770), (26, 776885), (65, 310754), (130, 155377)]