20850702950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{773681}}^1$

素因数の和:773718

約数の個数: 72

約数和(自身を含む): 49215459384

約数和(自身を除く): 28364756434

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 350, 385, 490, 539, 550, 770, 1078, 1225, 1925, 2450, 2695, 3850, 5390, 13475, 26950, 773681, 1547362, 3868405, 5415767, 7736810, 8510491, 10831534, 17020982, 19342025, 27078835, 37910369, 38684050, 42552455, 54157670, 59573437, 75820738, 85104910, 119146874, 135394175, 189551845, 212762275, 270788350, 297867185, 379103690, 417014059, 425524550, 595734370, 834028118, 947759225, 1489335925, 1895518450, 2085070295, 2978671850, 4170140590, 10425351475, 20850702950]

約数ペア:

[(1, 20850702950), (2, 10425351475), (5, 4170140590), (7, 2978671850), (10, 2085070295), (11, 1895518450), (14, 1489335925), (22, 947759225), (25, 834028118), (35, 595734370), (49, 425524550), (50, 417014059), (55, 379103690), (70, 297867185), (77, 270788350), (98, 212762275), (110, 189551845), (154, 135394175), (175, 119146874), (245, 85104910), (275, 75820738), (350, 59573437), (385, 54157670), (490, 42552455), (539, 38684050), (550, 37910369), (770, 27078835), (1078, 19342025), (1225, 17020982), (1925, 10831534), (2450, 8510491), (2695, 7736810), (3850, 5415767), (5390, 3868405), (13475, 1547362), (26950, 773681)]