20269599

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 33415680

約数和(自身を除く): 13146081

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1373, 2109, 4119, 4921, 9611, 14763, 26087, 28833, 50801, 78261, 152403, 182609, 355607, 547827, 965219, 1066821, 2895657, 6756533, 20269599]

約数ペア:

[(1, 20269599), (3, 6756533), (7, 2895657), (19, 1066821), (21, 965219), (37, 547827), (57, 355607), (111, 182609), (133, 152403), (259, 78261), (399, 50801), (703, 28833), (777, 26087), (1373, 14763), (2109, 9611), (4119, 4921)]