20882415

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3989}}^1$

素因数の和:4346

約数の個数: 16

約数和(自身を含む): 33516000

約数和(自身を除く): 12633585

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 3989, 5235, 11967, 19945, 59835, 1392161, 4176483, 6960805, 20882415]

約数ペア:

[(1, 20882415), (3, 6960805), (5, 4176483), (15, 1392161), (349, 59835), (1047, 19945), (1745, 11967), (3989, 5235)]