20940415

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 25766208

約数和(自身を除く): 4825793

約数列:

[1, 5, 73, 103, 365, 515, 557, 2785, 7519, 37595, 40661, 57371, 203305, 286855, 4188083, 20940415]

約数ペア:

[(1, 20940415), (5, 4188083), (73, 286855), (103, 203305), (365, 57371), (515, 40661), (557, 37595), (2785, 7519)]