20462939

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 25302528

約数和(自身を除く): 4839589

約数列:

[1, 7, 23, 49, 67, 161, 271, 469, 1127, 1541, 1897, 3283, 6233, 10787, 13279, 18157, 43631, 75509, 127099, 305417, 417611, 889693, 2923277, 20462939]

約数ペア:

[(1, 20462939), (7, 2923277), (23, 889693), (49, 417611), (67, 305417), (161, 127099), (271, 75509), (469, 43631), (1127, 18157), (1541, 13279), (1897, 10787), (3283, 6233)]