20353743

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11017233

約数列:

[1, 3, 9, 17, 51, 151, 153, 453, 881, 1359, 2567, 2643, 7701, 7929, 14977, 23103, 44931, 133031, 134793, 399093, 1197279, 2261527, 6784581, 20353743]

約数ペア:

[(1, 20353743), (3, 6784581), (9, 2261527), (17, 1197279), (51, 399093), (151, 134793), (153, 133031), (453, 44931), (881, 23103), (1359, 14977), (2567, 7929), (2643, 7701)]