20494749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{32687}}^1$

素因数の和:32720

約数の個数: 16

約数和(自身を含む): 31380480

約数和(自身を除く): 10885731

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 32687, 98061, 359557, 621053, 1078671, 1863159, 6831583, 20494749]

約数ペア:

[(1, 20494749), (3, 6831583), (11, 1863159), (19, 1078671), (33, 621053), (57, 359557), (209, 98061), (627, 32687)]