20555312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75571}}^1$

素因数の和:75596

約数の個数: 20

約数和(自身を含む): 42169176

約数和(自身を除く): 21613864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75571, 151142, 302284, 604568, 1209136, 1284707, 2569414, 5138828, 10277656, 20555312]

約数ペア:

[(1, 20555312), (2, 10277656), (4, 5138828), (8, 2569414), (16, 1284707), (17, 1209136), (34, 604568), (68, 302284), (136, 151142), (272, 75571)]