20819186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14224654

約数列:

[1, 2, 17, 23, 34, 46, 79, 158, 337, 391, 674, 782, 1343, 1817, 2686, 3634, 5729, 7751, 11458, 15502, 26623, 30889, 53246, 61778, 131767, 263534, 452591, 612329, 905182, 1224658, 10409593, 20819186]

約数ペア:

[(1, 20819186), (2, 10409593), (17, 1224658), (23, 905182), (34, 612329), (46, 452591), (79, 263534), (158, 131767), (337, 61778), (391, 53246), (674, 30889), (782, 26623), (1343, 15502), (1817, 11458), (2686, 7751), (3634, 5729)]