20734851705

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1\times {\mathrm{12113}}^1$

素因数の和:13081

約数の個数: 32

約数和(自身を含む): 33457898880

約数和(自身を除く): 12723047175

約数列:

[1, 3, 5, 15, 139, 417, 695, 821, 2085, 2463, 4105, 12113, 12315, 36339, 60565, 114119, 181695, 342357, 570595, 1683707, 1711785, 5051121, 8418535, 9944773, 25255605, 29834319, 49723865, 149171595, 1382323447, 4146970341, 6911617235, 20734851705]

約数ペア:

[(1, 20734851705), (3, 6911617235), (5, 4146970341), (15, 1382323447), (139, 149171595), (417, 49723865), (695, 29834319), (821, 25255605), (2085, 9944773), (2463, 8418535), (4105, 5051121), (12113, 1711785), (12315, 1683707), (36339, 570595), (60565, 342357), (114119, 181695)]