20654157

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 28140032

約数和(自身を除く): 7485875

約数列:

[1, 3, 67, 201, 211, 487, 633, 1461, 14137, 32629, 42411, 97887, 102757, 308271, 6884719, 20654157]

約数ペア:

[(1, 20654157), (3, 6884719), (67, 308271), (201, 102757), (211, 97887), (487, 42411), (633, 32629), (1461, 14137)]