20158809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{953}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 29398464

約数和(自身を除く): 9239655

約数列:

[1, 3, 11, 33, 641, 953, 1923, 2859, 7051, 10483, 21153, 31449, 610873, 1832619, 6719603, 20158809]

約数ペア:

[(1, 20158809), (3, 6719603), (11, 1832619), (33, 610873), (641, 31449), (953, 21153), (1923, 10483), (2859, 7051)]