20375163

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 33770880

約数和(自身を除く): 13395717

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 163, 171, 323, 387, 489, 731, 817, 969, 1467, 2193, 2451, 2771, 2907, 3097, 6579, 7009, 7353, 8313, 9291, 13889, 21027, 24939, 27873, 41667, 52649, 63081, 119153, 125001, 133171, 157947, 357459, 399513, 473841, 1072377, 1198539, 2263907, 6791721, 20375163]

約数ペア:

[(1, 20375163), (3, 6791721), (9, 2263907), (17, 1198539), (19, 1072377), (43, 473841), (51, 399513), (57, 357459), (129, 157947), (153, 133171), (163, 125001), (171, 119153), (323, 63081), (387, 52649), (489, 41667), (731, 27873), (817, 24939), (969, 21027), (1467, 13889), (2193, 9291), (2451, 8313), (2771, 7353), (2907, 7009), (3097, 6579)]