20172858755

素因数分解:

$5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{337}}^1\times {\mathrm{929}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 28381129920

約数和(自身を除く): 8208271165

約数列:

[1, 5, 7, 35, 49, 245, 263, 337, 929, 1315, 1685, 1841, 2359, 4645, 6503, 9205, 11795, 12887, 16513, 32515, 45521, 64435, 82565, 88631, 227605, 244327, 313073, 443155, 620417, 1221635, 1565365, 1710289, 2191511, 3102085, 4342919, 8551445, 10957555, 11972023, 15340577, 21714595, 59860115, 76702885, 82338199, 411690995, 576367393, 2881836965, 4034571751, 20172858755]

約数ペア:

[(1, 20172858755), (5, 4034571751), (7, 2881836965), (35, 576367393), (49, 411690995), (245, 82338199), (263, 76702885), (337, 59860115), (929, 21714595), (1315, 15340577), (1685, 11972023), (1841, 10957555), (2359, 8551445), (4645, 4342919), (6503, 3102085), (9205, 2191511), (11795, 1710289), (12887, 1565365), (16513, 1221635), (32515, 620417), (45521, 443155), (64435, 313073), (82565, 244327), (88631, 227605)]