20201804

素因数分解:

$2^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1319}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 40508160

約数和(自身を除く): 20306356

約数列:

[1, 2, 4, 7, 14, 28, 547, 1094, 1319, 2188, 2638, 3829, 5276, 7658, 9233, 15316, 18466, 36932, 721493, 1442986, 2885972, 5050451, 10100902, 20201804]

約数ペア:

[(1, 20201804), (2, 10100902), (4, 5050451), (7, 2885972), (14, 1442986), (28, 721493), (547, 36932), (1094, 18466), (1319, 15316), (2188, 9233), (2638, 7658), (3829, 5276)]