20688201

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5879}}^1$

素因数の和:5925

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12333879

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5879, 17637, 52911, 99943, 135217, 299829, 405651, 899487, 1216953, 2298689, 6896067, 20688201]

約数ペア:

[(1, 20688201), (3, 6896067), (9, 2298689), (17, 1216953), (23, 899487), (51, 405651), (69, 299829), (153, 135217), (207, 99943), (391, 52911), (1173, 17637), (3519, 5879)]