20085904

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5209}}^1$

素因数の和:5458

約数の個数: 20

約数和(自身を含む): 39085420

約数和(自身を除く): 18999516

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5209, 10418, 20836, 41672, 83344, 1255369, 2510738, 5021476, 10042952, 20085904]

約数ペア:

[(1, 20085904), (2, 10042952), (4, 5021476), (8, 2510738), (16, 1255369), (241, 83344), (482, 41672), (964, 20836), (1928, 10418), (3856, 5209)]