20107437

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 32169984

約数和(自身を除く): 12062547

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 461, 469, 651, 1383, 1407, 2077, 3227, 6231, 9681, 14291, 14539, 30887, 42873, 43617, 92661, 100037, 216209, 300111, 648627, 957497, 2872491, 6702479, 20107437]

約数ペア:

[(1, 20107437), (3, 6702479), (7, 2872491), (21, 957497), (31, 648627), (67, 300111), (93, 216209), (201, 100037), (217, 92661), (461, 43617), (469, 42873), (651, 30887), (1383, 14539), (1407, 14291), (2077, 9681), (3227, 6231)]