20602995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 37877760

約数和(自身を除く): 17274765

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 821, 1195, 1673, 2463, 3585, 4105, 5019, 5747, 8365, 12315, 17241, 25095, 28735, 86205, 196219, 588657, 981095, 1373533, 2943285, 4120599, 6867665, 20602995]

約数ペア:

[(1, 20602995), (3, 6867665), (5, 4120599), (7, 2943285), (15, 1373533), (21, 981095), (35, 588657), (105, 196219), (239, 86205), (717, 28735), (821, 25095), (1195, 17241), (1673, 12315), (2463, 8365), (3585, 5747), (4105, 5019)]