20508717190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7237}}^1\times {\mathrm{21799}}^1$

素因数の和:29056

約数の個数: 32

約数和(自身を含む): 39762676800

約数和(自身を除く): 19253959610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7237, 14474, 21799, 36185, 43598, 72370, 94081, 108995, 188162, 217990, 283387, 470405, 566774, 940810, 1416935, 2833870, 157759363, 315518726, 788796815, 1577593630, 2050871719, 4101743438, 10254358595, 20508717190]

約数ペア:

[(1, 20508717190), (2, 10254358595), (5, 4101743438), (10, 2050871719), (13, 1577593630), (26, 788796815), (65, 315518726), (130, 157759363), (7237, 2833870), (14474, 1416935), (21799, 940810), (36185, 566774), (43598, 470405), (72370, 283387), (94081, 217990), (108995, 188162)]