20139646

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2069}}^1$

素因数の和:2259

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 11258114

約数列:

[1, 2, 31, 62, 157, 314, 2069, 4138, 4867, 9734, 64139, 128278, 324833, 649666, 10069823, 20139646]

約数ペア:

[(1, 20139646), (2, 10069823), (31, 649666), (62, 324833), (157, 128278), (314, 64139), (2069, 9734), (4138, 4867)]