20422870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 39932928

約数和(自身を除く): 19510058

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1237, 1270, 1651, 2474, 3302, 6185, 8255, 12370, 16081, 16510, 32162, 80405, 157099, 160810, 314198, 785495, 1570990, 2042287, 4084574, 10211435, 20422870]

約数ペア:

[(1, 20422870), (2, 10211435), (5, 4084574), (10, 2042287), (13, 1570990), (26, 785495), (65, 314198), (127, 160810), (130, 157099), (254, 80405), (635, 32162), (1237, 16510), (1270, 16081), (1651, 12370), (2474, 8255), (3302, 6185)]