20505082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 13766918

約数列:

[1, 2, 13, 26, 67, 79, 134, 149, 158, 298, 871, 1027, 1742, 1937, 2054, 3874, 5293, 9983, 10586, 11771, 19966, 23542, 68809, 129779, 137618, 153023, 259558, 306046, 788657, 1577314, 10252541, 20505082]

約数ペア:

[(1, 20505082), (2, 10252541), (13, 1577314), (26, 788657), (67, 306046), (79, 259558), (134, 153023), (149, 137618), (158, 129779), (298, 68809), (871, 23542), (1027, 19966), (1742, 11771), (1937, 10586), (2054, 9983), (3874, 5293)]