20533359

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 13971345

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 863, 1133, 2163, 2589, 3399, 6041, 7931, 9493, 18123, 23793, 28479, 66451, 88889, 199353, 266667, 622223, 977779, 1866669, 2933337, 6844453, 20533359]

約数ペア:

[(1, 20533359), (3, 6844453), (7, 2933337), (11, 1866669), (21, 977779), (33, 622223), (77, 266667), (103, 199353), (231, 88889), (309, 66451), (721, 28479), (863, 23793), (1133, 18123), (2163, 9493), (2589, 7931), (3399, 6041)]