20120642648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132372649}}^1$

素因数の和:132372674

約数の個数: 16

約数和(自身を含む): 39711795000

約数和(自身を除く): 19591152352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132372649, 264745298, 529490596, 1058981192, 2515080331, 5030160662, 10060321324, 20120642648]

約数ペア:

[(1, 20120642648), (2, 10060321324), (4, 5030160662), (8, 2515080331), (19, 1058981192), (38, 529490596), (76, 264745298), (152, 132372649)]