20860539

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2621}}^1$

素因数の和:3010

約数の個数: 16

約数和(自身を含む): 31883520

約数和(自身を除く): 11022981

約数列:

[1, 3, 7, 21, 379, 1137, 2621, 2653, 7863, 7959, 18347, 55041, 993359, 2980077, 6953513, 20860539]

約数ペア:

[(1, 20860539), (3, 6953513), (7, 2980077), (21, 993359), (379, 55041), (1137, 18347), (2621, 7959), (2653, 7863)]