20121199655

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1\times {\mathrm{503}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 24632657280

約数和(自身を除く): 4511457625

約数列:

[1, 5, 89, 241, 373, 445, 503, 1205, 1865, 2515, 21449, 33197, 44767, 89893, 107245, 121223, 165985, 187619, 223835, 449465, 606115, 938095, 8000477, 10788847, 16698091, 40002385, 45216179, 53944235, 83490455, 226080895, 4024239931, 20121199655]

約数ペア:

[(1, 20121199655), (5, 4024239931), (89, 226080895), (241, 83490455), (373, 53944235), (445, 45216179), (503, 40002385), (1205, 16698091), (1865, 10788847), (2515, 8000477), (21449, 938095), (33197, 606115), (44767, 449465), (89893, 223835), (107245, 187619), (121223, 165985)]