20180991791

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1\times {\mathrm{4271}}^1$

素因数の和:5494

約数の個数: 16

約数和(自身を含む): 20824667136

約数和(自身を除く): 643675345

約数列:

[1, 61, 71, 1091, 4271, 4331, 66551, 77461, 260531, 303241, 4659661, 4725121, 18497701, 284239321, 330835931, 20180991791]

約数ペア:

[(1, 20180991791), (61, 330835931), (71, 284239321), (1091, 18497701), (4271, 4725121), (4331, 4659661), (66551, 303241), (77461, 260531)]