20976515

素因数分解:

$5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{811}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 28842240

約数和(自身を除く): 7865725

約数列:

[1, 5, 7, 35, 739, 811, 3695, 4055, 5173, 5677, 25865, 28385, 599329, 2996645, 4195303, 20976515]

約数ペア:

[(1, 20976515), (5, 4195303), (7, 2996645), (35, 599329), (739, 28385), (811, 25865), (3695, 5677), (4055, 5173)]