20189709745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 26799704064

約数和(自身を除く): 6609994319

約数列:

[1, 5, 17, 41, 83, 85, 205, 223, 313, 415, 697, 1115, 1411, 1565, 3403, 3485, 3791, 5321, 7055, 9143, 12833, 17015, 18509, 18955, 25979, 26605, 45715, 57851, 64165, 69799, 92545, 129895, 155431, 218161, 289255, 314653, 348995, 441643, 758869, 777155, 1065139, 1090805, 1186583, 1573265, 2208215, 2861759, 3794345, 5325695, 5793317, 5932915, 12900773, 14308795, 18107363, 28966585, 48649903, 64503865, 90536815, 98486389, 237525997, 243249515, 492431945, 1187629985, 4037941949, 20189709745]

約数ペア:

[(1, 20189709745), (5, 4037941949), (17, 1187629985), (41, 492431945), (83, 243249515), (85, 237525997), (205, 98486389), (223, 90536815), (313, 64503865), (415, 48649903), (697, 28966585), (1115, 18107363), (1411, 14308795), (1565, 12900773), (3403, 5932915), (3485, 5793317), (3791, 5325695), (5321, 3794345), (7055, 2861759), (9143, 2208215), (12833, 1573265), (17015, 1186583), (18509, 1090805), (18955, 1065139), (25979, 777155), (26605, 758869), (45715, 441643), (57851, 348995), (64165, 314653), (69799, 289255), (92545, 218161), (129895, 155431)]