20519965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3011}}^1$

素因数の和:3092

約数の個数: 16

約数和(自身を含む): 26023680

約数和(自身を除く): 5503715

約数列:

[1, 5, 29, 47, 145, 235, 1363, 3011, 6815, 15055, 87319, 141517, 436595, 707585, 4103993, 20519965]

約数ペア:

[(1, 20519965), (5, 4103993), (29, 707585), (47, 436595), (145, 141517), (235, 87319), (1363, 15055), (3011, 6815)]