20174572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 39407368

約数和(自身を除く): 19232796

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 571, 803, 1142, 1606, 2284, 3212, 6281, 8833, 12562, 17666, 25124, 35332, 41683, 69091, 83366, 138182, 166732, 276364, 458513, 917026, 1834052, 5043643, 10087286, 20174572]

約数ペア:

[(1, 20174572), (2, 10087286), (4, 5043643), (11, 1834052), (22, 917026), (44, 458513), (73, 276364), (121, 166732), (146, 138182), (242, 83366), (292, 69091), (484, 41683), (571, 35332), (803, 25124), (1142, 17666), (1606, 12562), (2284, 8833), (3212, 6281)]