20778826204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{4651}}^1\times {\mathrm{15731}}^1$

素因数の和:20457

約数の個数: 24

約数和(自身を含む): 36885373056

約数和(自身を除く): 16106546852

約数列:

[1, 2, 4, 71, 142, 284, 4651, 9302, 15731, 18604, 31462, 62924, 330221, 660442, 1116901, 1320884, 2233802, 4467604, 73164881, 146329762, 292659524, 5194706551, 10389413102, 20778826204]

約数ペア:

[(1, 20778826204), (2, 10389413102), (4, 5194706551), (71, 292659524), (142, 146329762), (284, 73164881), (4651, 4467604), (9302, 2233802), (15731, 1320884), (18604, 1116901), (31462, 660442), (62924, 330221)]