20512541866

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{202577}}^1$

素因数の和:203033

約数の個数: 16

約数和(自身を含む): 31045483656

約数和(自身を除く): 10532941790

約数列:

[1, 2, 197, 257, 394, 514, 50629, 101258, 202577, 405154, 39907669, 52062289, 79815338, 104124578, 10256270933, 20512541866]

約数ペア:

[(1, 20512541866), (2, 10256270933), (197, 104124578), (257, 79815338), (394, 52062289), (514, 39907669), (50629, 405154), (101258, 202577)]