20797604

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 37493568

約数和(自身を除く): 16695964

約数列:

[1, 2, 4, 67, 71, 134, 142, 268, 284, 1093, 2186, 4372, 4757, 9514, 19028, 73231, 77603, 146462, 155206, 292924, 310412, 5199401, 10398802, 20797604]

約数ペア:

[(1, 20797604), (2, 10398802), (4, 5199401), (67, 310412), (71, 292924), (134, 155206), (142, 146462), (268, 77603), (284, 73231), (1093, 19028), (2186, 9514), (4372, 4757)]