20169484912

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9069013}}^1$

素因数の和:9069160

約数の個数: 20

約数和(自身を含む): 39359520760

約数和(自身を除く): 19190035848

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9069013, 18138026, 36276052, 72552104, 145104208, 1260592807, 2521185614, 5042371228, 10084742456, 20169484912]

約数ペア:

[(1, 20169484912), (2, 10084742456), (4, 5042371228), (8, 2521185614), (16, 1260592807), (139, 145104208), (278, 72552104), (556, 36276052), (1112, 18138026), (2224, 9069013)]