20689353

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{829}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 31075200

約数和(自身を除く): 10385847

約数列:

[1, 3, 9, 47, 59, 141, 177, 423, 531, 829, 2487, 2773, 7461, 8319, 24957, 38963, 48911, 116889, 146733, 350667, 440199, 2298817, 6896451, 20689353]

約数ペア:

[(1, 20689353), (3, 6896451), (9, 2298817), (47, 440199), (59, 350667), (141, 146733), (177, 116889), (423, 48911), (531, 38963), (829, 24957), (2487, 8319), (2773, 7461)]