20378529

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5791}}^1$

素因数の和:5837

約数の個数: 24

約数和(自身を含む): 32527872

約数和(自身を除く): 12149343

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5791, 17373, 52119, 98447, 133193, 295341, 399579, 886023, 1198737, 2264281, 6792843, 20378529]

約数ペア:

[(1, 20378529), (3, 6792843), (9, 2264281), (17, 1198737), (23, 886023), (51, 399579), (69, 295341), (153, 133193), (207, 98447), (391, 52119), (1173, 17373), (3519, 5791)]