20121013509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1\times {\mathrm{99241}}^1$

素因数の和:102820

約数の個数: 16

約数和(自身を含む): 28248242880

約数和(自身を除く): 8127229371

約数列:

[1, 3, 19, 57, 3557, 10671, 67583, 99241, 202749, 297723, 1885579, 5656737, 353000237, 1059000711, 6707004503, 20121013509]

約数ペア:

[(1, 20121013509), (3, 6707004503), (19, 1059000711), (57, 353000237), (3557, 5656737), (10671, 1885579), (67583, 297723), (99241, 202749)]