20565558981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1499}}^1\times {\mathrm{138581}}^1$

素因数の和:140097

約数の個数: 24

約数和(自身を含む): 32428188000

約数和(自身を除く): 11862629019

約数列:

[1, 3, 9, 11, 33, 99, 1499, 4497, 13491, 16489, 49467, 138581, 148401, 415743, 1247229, 1524391, 4573173, 13719519, 207732919, 623198757, 1869596271, 2285062109, 6855186327, 20565558981]

約数ペア:

[(1, 20565558981), (3, 6855186327), (9, 2285062109), (11, 1869596271), (33, 623198757), (99, 207732919), (1499, 13719519), (4497, 4573173), (13491, 1524391), (16489, 1247229), (49467, 415743), (138581, 148401)]