20290942

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10427}}^1$

素因数の和:10575

約数の個数: 16

約数和(自身を含む): 35038080

約数和(自身を除く): 14747138

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10427, 20854, 72989, 145978, 1449353, 2898706, 10145471, 20290942]

約数ペア:

[(1, 20290942), (2, 10145471), (7, 2898706), (14, 1449353), (139, 145978), (278, 72989), (973, 20854), (1946, 10427)]