20161578516

素因数分解:

$2^2\times 3^1\times {\mathrm{40531}}^1\times {\mathrm{41453}}^1$

素因数の和:81991

約数の個数: 24

約数和(自身を含む): 47045978784

約数和(自身を除く): 26884400268

約数列:

[1, 2, 3, 4, 6, 12, 40531, 41453, 81062, 82906, 121593, 124359, 162124, 165812, 243186, 248718, 486372, 497436, 1680131543, 3360263086, 5040394629, 6720526172, 10080789258, 20161578516]

約数ペア:

[(1, 20161578516), (2, 10080789258), (3, 6720526172), (4, 5040394629), (6, 3360263086), (12, 1680131543), (40531, 497436), (41453, 486372), (81062, 248718), (82906, 243186), (121593, 165812), (124359, 162124)]