20742032

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15619}}^1$

素因数の和:15710

約数の個数: 20

約数和(自身を含む): 40674480

約数和(自身を除く): 19932448

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15619, 31238, 62476, 124952, 249904, 1296377, 2592754, 5185508, 10371016, 20742032]

約数ペア:

[(1, 20742032), (2, 10371016), (4, 5185508), (8, 2592754), (16, 1296377), (83, 249904), (166, 124952), (332, 62476), (664, 31238), (1328, 15619)]