20715671815

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{121439}}^1$

素因数の和:121866

約数の個数: 16

約数和(自身を含む): 25167225600

約数和(自身を除く): 4451553785

約数列:

[1, 5, 109, 313, 545, 1565, 34117, 121439, 170585, 607195, 13236851, 38010407, 66184255, 190052035, 4143134363, 20715671815]

約数ペア:

[(1, 20715671815), (5, 4143134363), (109, 190052035), (313, 66184255), (545, 38010407), (1565, 13236851), (34117, 607195), (121439, 170585)]