20749828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7993}}^1$

素因数の和:8067

約数の個数: 24

約数和(自身を含む): 40289760

約数和(自身を除く): 19539932

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7993, 15986, 31972, 87923, 175846, 351692, 471587, 943174, 1886348, 5187457, 10374914, 20749828]

約数ペア:

[(1, 20749828), (2, 10374914), (4, 5187457), (11, 1886348), (22, 943174), (44, 471587), (59, 351692), (118, 175846), (236, 87923), (649, 31972), (1298, 15986), (2596, 7993)]