20079998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11243}}^1$

素因数の和:11311

約数の個数: 16

約数和(自身を含む): 32382720

約数和(自身を除く): 12302722

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11243, 22486, 213617, 427234, 528421, 1056842, 10039999, 20079998]

約数ペア:

[(1, 20079998), (2, 10039999), (19, 1056842), (38, 528421), (47, 427234), (94, 213617), (893, 22486), (1786, 11243)]