20456799649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 25280640000

約数和(自身を除く): 4823840351

約数列:

[1, 11, 13, 37, 79, 109, 143, 407, 449, 481, 869, 1027, 1199, 1417, 2923, 4033, 4939, 5291, 5837, 8611, 11297, 15587, 16613, 32153, 35471, 37999, 44363, 48941, 52429, 64207, 94721, 111943, 182743, 215969, 318607, 390181, 417989, 461123, 538351, 576719, 636233, 1231373, 1312427, 1810817, 2375659, 3504677, 3866339, 4141891, 5072353, 6998563, 14436697, 17061551, 19918987, 23540621, 42529729, 45560801, 50262407, 143054543, 187677061, 258946831, 552886477, 1573599973, 1859709059, 20456799649]

約数ペア:

[(1, 20456799649), (11, 1859709059), (13, 1573599973), (37, 552886477), (79, 258946831), (109, 187677061), (143, 143054543), (407, 50262407), (449, 45560801), (481, 42529729), (869, 23540621), (1027, 19918987), (1199, 17061551), (1417, 14436697), (2923, 6998563), (4033, 5072353), (4939, 4141891), (5291, 3866339), (5837, 3504677), (8611, 2375659), (11297, 1810817), (15587, 1312427), (16613, 1231373), (32153, 636233), (35471, 576719), (37999, 538351), (44363, 461123), (48941, 417989), (52429, 390181), (64207, 318607), (94721, 215969), (111943, 182743)]