20861895

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37589}}^1$

素因数の和:37634

約数の個数: 16

約数和(自身を含む): 34282080

約数和(自身を除く): 13420185

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37589, 112767, 187945, 563835, 1390793, 4172379, 6953965, 20861895]

約数ペア:

[(1, 20861895), (3, 6953965), (5, 4172379), (15, 1390793), (37, 563835), (111, 187945), (185, 112767), (555, 37589)]