20173708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 36823248

約数和(自身を除く): 16649540

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2213, 2279, 4426, 4558, 8852, 9116, 95159, 117289, 190318, 234578, 380636, 469156, 5043427, 10086854, 20173708]

約数ペア:

[(1, 20173708), (2, 10086854), (4, 5043427), (43, 469156), (53, 380636), (86, 234578), (106, 190318), (172, 117289), (212, 95159), (2213, 9116), (2279, 8852), (4426, 4558)]