20188454965

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1\times {\mathrm{1933}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 28827677952

約数和(自身を除く): 8639222987

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 907, 1645, 1933, 2303, 4535, 6349, 9665, 11515, 13531, 31745, 42629, 44443, 67655, 90851, 94717, 213145, 222215, 298403, 454255, 473585, 635957, 1492015, 1753231, 2088821, 3179785, 4451699, 8766155, 10444105, 12272617, 22258495, 61363085, 82401857, 85908319, 412009285, 429541595, 576812999, 2884064995, 4037690993, 20188454965]

約数ペア:

[(1, 20188454965), (5, 4037690993), (7, 2884064995), (35, 576812999), (47, 429541595), (49, 412009285), (235, 85908319), (245, 82401857), (329, 61363085), (907, 22258495), (1645, 12272617), (1933, 10444105), (2303, 8766155), (4535, 4451699), (6349, 3179785), (9665, 2088821), (11515, 1753231), (13531, 1492015), (31745, 635957), (42629, 473585), (44443, 454255), (67655, 298403), (90851, 222215), (94717, 213145)]