20870488

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89959}}^1$

素因数の和:89994

約数の個数: 16

約数和(自身を含む): 40482000

約数和(自身を除く): 19611512

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 89959, 179918, 359836, 719672, 2608811, 5217622, 10435244, 20870488]

約数ペア:

[(1, 20870488), (2, 10435244), (4, 5217622), (8, 2608811), (29, 719672), (58, 359836), (116, 179918), (232, 89959)]