20768001410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2188409}}^1$

素因数の和:2188502

約数の個数: 32

約数和(自身を含む): 40809469680

約数和(自身を除く): 20041468270

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 2188409, 4376818, 10942045, 21884090, 28449317, 56898634, 142246585, 159753857, 284493170, 319507714, 798769285, 1597538570, 2076800141, 4153600282, 10384000705, 20768001410]

約数ペア:

[(1, 20768001410), (2, 10384000705), (5, 4153600282), (10, 2076800141), (13, 1597538570), (26, 798769285), (65, 319507714), (73, 284493170), (130, 159753857), (146, 142246585), (365, 56898634), (730, 28449317), (949, 21884090), (1898, 10942045), (4745, 4376818), (9490, 2188409)]