20174869

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 25812864

約数和(自身を除く): 5637995

約数列:

[1, 11, 13, 17, 43, 143, 187, 193, 221, 473, 559, 731, 2123, 2431, 2509, 3281, 6149, 8041, 8299, 9503, 27599, 36091, 42653, 91289, 104533, 107887, 141083, 469183, 1186757, 1551913, 1834079, 20174869]

約数ペア:

[(1, 20174869), (11, 1834079), (13, 1551913), (17, 1186757), (43, 469183), (143, 141083), (187, 107887), (193, 104533), (221, 91289), (473, 42653), (559, 36091), (731, 27599), (2123, 9503), (2431, 8299), (2509, 8041), (3281, 6149)]