20199451285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16355831}}^1$

素因数の和:16355868

約数の個数: 16

約数和(自身を含む): 27477797760

約数和(自身を除く): 7278346475

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16355831, 81779155, 212625803, 310760789, 1063129015, 1553803945, 4039890257, 20199451285]

約数ペア:

[(1, 20199451285), (5, 4039890257), (13, 1553803945), (19, 1063129015), (65, 310760789), (95, 212625803), (247, 81779155), (1235, 16355831)]