20077689

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 29297664

約数和(自身を除く): 9219975

約数列:

[1, 3, 23, 43, 67, 69, 101, 129, 201, 303, 989, 1541, 2323, 2881, 2967, 4343, 4623, 6767, 6969, 8643, 13029, 20301, 66263, 99889, 155641, 198789, 290981, 299667, 466923, 872943, 6692563, 20077689]

約数ペア:

[(1, 20077689), (3, 6692563), (23, 872943), (43, 466923), (67, 299667), (69, 290981), (101, 198789), (129, 155641), (201, 99889), (303, 66263), (989, 20301), (1541, 13029), (2323, 8643), (2881, 6969), (2967, 6767), (4343, 4623)]