20343553175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2\times {\mathrm{367}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 29331336960

約数和(自身を除く): 8987783785

約数列:

[1, 5, 11, 19, 25, 55, 95, 103, 209, 275, 367, 475, 515, 1045, 1133, 1835, 1957, 2575, 4037, 5225, 5665, 6973, 9175, 9785, 10609, 20185, 21527, 28325, 34865, 37801, 48925, 53045, 76703, 100925, 107635, 116699, 174325, 189005, 201571, 265225, 383515, 415811, 538175, 583495, 718219, 945025, 1007855, 1917575, 2079055, 2217281, 2917475, 3591095, 3893503, 5039275, 7900409, 10395275, 11086405, 17955475, 19467515, 39502045, 42828533, 55432025, 73976557, 97337575, 197510225, 214142665, 369882785, 813742127, 1070713325, 1849413925, 4068710635, 20343553175]

約数ペア:

[(1, 20343553175), (5, 4068710635), (11, 1849413925), (19, 1070713325), (25, 813742127), (55, 369882785), (95, 214142665), (103, 197510225), (209, 97337575), (275, 73976557), (367, 55432025), (475, 42828533), (515, 39502045), (1045, 19467515), (1133, 17955475), (1835, 11086405), (1957, 10395275), (2575, 7900409), (4037, 5039275), (5225, 3893503), (5665, 3591095), (6973, 2917475), (9175, 2217281), (9785, 2079055), (10609, 1917575), (20185, 1007855), (21527, 945025), (28325, 718219), (34865, 583495), (37801, 538175), (48925, 415811), (53045, 383515), (76703, 265225), (100925, 201571), (107635, 189005), (116699, 174325)]