20897814

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71081}}^1$

素因数の和:71100

約数の個数: 24

約数和(自身を含む): 48620088

約数和(自身を除く): 27722274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71081, 142162, 213243, 426486, 497567, 995134, 1492701, 2985402, 3482969, 6965938, 10448907, 20897814]

約数ペア:

[(1, 20897814), (2, 10448907), (3, 6965938), (6, 3482969), (7, 2985402), (14, 1492701), (21, 995134), (42, 497567), (49, 426486), (98, 213243), (147, 142162), (294, 71081)]