20120912

素因数分解:

$2^4\times 7^1\times {\mathrm{179651}}^1$

素因数の和:179666

約数の個数: 20

約数和(自身を含む): 44553696

約数和(自身を除く): 24432784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179651, 359302, 718604, 1257557, 1437208, 2515114, 2874416, 5030228, 10060456, 20120912]

約数ペア:

[(1, 20120912), (2, 10060456), (4, 5030228), (7, 2874416), (8, 2515114), (14, 1437208), (16, 1257557), (28, 718604), (56, 359302), (112, 179651)]