20262417

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 33285120

約数和(自身を除く): 13022703

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1181, 2451, 3543, 5719, 8267, 17157, 22439, 24801, 50783, 67317, 152349, 157073, 355481, 471219, 964877, 1066443, 2894631, 6754139, 20262417]

約数ペア:

[(1, 20262417), (3, 6754139), (7, 2894631), (19, 1066443), (21, 964877), (43, 471219), (57, 355481), (129, 157073), (133, 152349), (301, 67317), (399, 50783), (817, 24801), (903, 22439), (1181, 17157), (2451, 8267), (3543, 5719)]