20909314

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2069}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 11680766

約数列:

[1, 2, 31, 62, 163, 326, 2069, 4138, 5053, 10106, 64139, 128278, 337247, 674494, 10454657, 20909314]

約数ペア:

[(1, 20909314), (2, 10454657), (31, 674494), (62, 337247), (163, 128278), (326, 64139), (2069, 10106), (4138, 5053)]