20163949744

素因数分解:

$2^4\times {\mathrm{304481}}^1\times {\mathrm{4139}}^1$

素因数の和:308628

約数の個数: 20

約数和(自身を含む): 39077219880

約数和(自身を除く): 18913270136

約数列:

[1, 2, 4, 8, 16, 4139, 8278, 16556, 33112, 66224, 304481, 608962, 1217924, 2435848, 4871696, 1260246859, 2520493718, 5040987436, 10081974872, 20163949744]

約数ペア:

[(1, 20163949744), (2, 10081974872), (4, 5040987436), (8, 2520493718), (16, 1260246859), (4139, 4871696), (8278, 2435848), (16556, 1217924), (33112, 608962), (66224, 304481)]