20683528

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 39800160

約数和(自身を除く): 19116632

約数列:

[1, 2, 4, 8, 73, 107, 146, 214, 292, 331, 428, 584, 662, 856, 1324, 2648, 7811, 15622, 24163, 31244, 35417, 48326, 62488, 70834, 96652, 141668, 193304, 283336, 2585441, 5170882, 10341764, 20683528]

約数ペア:

[(1, 20683528), (2, 10341764), (4, 5170882), (8, 2585441), (73, 283336), (107, 193304), (146, 141668), (214, 96652), (292, 70834), (331, 62488), (428, 48326), (584, 35417), (662, 31244), (856, 24163), (1324, 15622), (2648, 7811)]