20123123792

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9600727}}^1$

素因数の和:9600866

約数の個数: 20

約数和(自身を含む): 39286178976

約数和(自身を除く): 19163055184

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9600727, 19201454, 38402908, 76805816, 153611632, 1257695237, 2515390474, 5030780948, 10061561896, 20123123792]

約数ペア:

[(1, 20123123792), (2, 10061561896), (4, 5030780948), (8, 2515390474), (16, 1257695237), (131, 153611632), (262, 76805816), (524, 38402908), (1048, 19201454), (2096, 9600727)]