20189045534

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20310911}}^1$

素因数の和:20310991

約数の個数: 16

約数和(自身を含む): 35097255936

約数和(自身を除く): 14908210402

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20310911, 40621822, 142176377, 284352754, 1442074681, 2884149362, 10094522767, 20189045534]

約数ペア:

[(1, 20189045534), (2, 10094522767), (7, 2884149362), (14, 1442074681), (71, 284352754), (142, 142176377), (497, 40621822), (994, 20310911)]