16890804940

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{649147}}^1$

素因数の和:650457

約数の個数: 24

約数和(自身を含む): 35498009232

約数和(自身を除く): 18607204292

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 649147, 1298294, 2596588, 3245735, 6491470, 12982940, 844540247, 1689080494, 3378160988, 4222701235, 8445402470, 16890804940]

約数ペア:

[(1, 16890804940), (2, 8445402470), (4, 4222701235), (5, 3378160988), (10, 1689080494), (20, 844540247), (1301, 12982940), (2602, 6491470), (5204, 3245735), (6505, 2596588), (13010, 1298294), (26020, 649147)]