20692264

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 41319720

約数和(自身を除く): 20627456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 233, 466, 653, 932, 1306, 1864, 2612, 3961, 5224, 7922, 11101, 15844, 22202, 31688, 44404, 88808, 152149, 304298, 608596, 1217192, 2586533, 5173066, 10346132, 20692264]

約数ペア:

[(1, 20692264), (2, 10346132), (4, 5173066), (8, 2586533), (17, 1217192), (34, 608596), (68, 304298), (136, 152149), (233, 88808), (466, 44404), (653, 31688), (932, 22202), (1306, 15844), (1864, 11101), (2612, 7922), (3961, 5224)]