20742644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10781}}^1$

素因数の和:10835

約数の個数: 24

約数和(自身を含む): 40152168

約数和(自身を除く): 19409524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10781, 21562, 43124, 140153, 280306, 398897, 560612, 797794, 1595588, 5185661, 10371322, 20742644]

約数ペア:

[(1, 20742644), (2, 10371322), (4, 5185661), (13, 1595588), (26, 797794), (37, 560612), (52, 398897), (74, 280306), (148, 140153), (481, 43124), (962, 21562), (1924, 10781)]