20880692

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43867}}^1$

素因数の和:43895

約数の個数: 24

約数和(自身を含む): 44218944

約数和(自身を除く): 23338252

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43867, 87734, 175468, 307069, 614138, 745739, 1228276, 1491478, 2982956, 5220173, 10440346, 20880692]

約数ペア:

[(1, 20880692), (2, 10440346), (4, 5220173), (7, 2982956), (14, 1491478), (17, 1228276), (28, 745739), (34, 614138), (68, 307069), (119, 175468), (238, 87734), (476, 43867)]