20404985792

素因数分解:

$2^6\times {\mathrm{349}}^1\times {\mathrm{653}}^1\times {\mathrm{1399}}^1$

素因数の和:2413

約数の個数: 56

約数和(自身を含む): 40698420000

約数和(自身を除く): 20293434208

約数列:

[1, 2, 4, 8, 16, 32, 64, 349, 653, 698, 1306, 1396, 1399, 2612, 2792, 2798, 5224, 5584, 5596, 10448, 11168, 11192, 20896, 22336, 22384, 41792, 44768, 89536, 227897, 455794, 488251, 911588, 913547, 976502, 1823176, 1827094, 1953004, 3646352, 3654188, 3906008, 7292704, 7308376, 7812016, 14585408, 14616752, 15624032, 29233504, 31248064, 58467008, 318827903, 637655806, 1275311612, 2550623224, 5101246448, 10202492896, 20404985792]

約数ペア:

[(1, 20404985792), (2, 10202492896), (4, 5101246448), (8, 2550623224), (16, 1275311612), (32, 637655806), (64, 318827903), (349, 58467008), (653, 31248064), (698, 29233504), (1306, 15624032), (1396, 14616752), (1399, 14585408), (2612, 7812016), (2792, 7308376), (2798, 7292704), (5224, 3906008), (5584, 3654188), (5596, 3646352), (10448, 1953004), (11168, 1827094), (11192, 1823176), (20896, 976502), (22336, 913547), (22384, 911588), (41792, 488251), (44768, 455794), (89536, 227897)]