20830617

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 31734144

約数和(自身を除く): 10903527

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 977, 2369, 2931, 7107, 8793, 21321, 22471, 67413, 100631, 202239, 301893, 905679, 2314513, 6943539, 20830617]

約数ペア:

[(1, 20830617), (3, 6943539), (9, 2314513), (23, 905679), (69, 301893), (103, 202239), (207, 100631), (309, 67413), (927, 22471), (977, 21321), (2369, 8793), (2931, 7107)]