20384752

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29629}}^1$

素因数の和:29680

約数の個数: 20

約数和(自身を含む): 40415320

約数和(自身を除く): 20030568

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29629, 59258, 118516, 237032, 474064, 1274047, 2548094, 5096188, 10192376, 20384752]

約数ペア:

[(1, 20384752), (2, 10192376), (4, 5096188), (8, 2548094), (16, 1274047), (43, 474064), (86, 237032), (172, 118516), (344, 59258), (688, 29629)]