20844873

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19463}}^1$

素因数の和:19493

約数の個数: 24

約数和(自身を含む): 36436608

約数和(自身を除く): 15591735

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19463, 58389, 136241, 175167, 330871, 408723, 992613, 1226169, 2316097, 2977839, 6948291, 20844873]

約数ペア:

[(1, 20844873), (3, 6948291), (7, 2977839), (9, 2316097), (17, 1226169), (21, 992613), (51, 408723), (63, 330871), (119, 175167), (153, 136241), (357, 58389), (1071, 19463)]